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- ECHO 57
- multicolored 10
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- cent 318
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- tar 23
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- snowcapped 8
- Font 34
- forger 53
- pinkishness 9
- foresee 175
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- ornamentation 33
- repelling 7
- dysgenesis 16
- rowan 14
- stereoscopic 9
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- yacht 92
- ft 54
- disaffected 79
- snit 15
- line of sight 16
- Settled 52
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- rebranding 7
- screwed up 55
- quiddity 10
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- pulpital 8
- assonance 59
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- cheesed off 41
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- parable 40
- eighteenth 40
- Morale 24
- temperament 155
- glycogen 35
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- AUTHORITY 34
- Levi 9
- suspect 351
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- elope 49
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- clamming 24
- smilingly 10
- never 90
- comparative 337
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- implicit 50
- therapist 51
- bungle 53
- biddies 21
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- chiefly 40
- puniest 6
- fullback 53
- indefinitely 9
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- horizons 7
- wit 401
- alcohol 344
- adult 386
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- excretion 47
- all-in 37
- madam 295
- FAITH 90
- Unlikely 52
- Efficient 53
- etiologic 34
- embellish 50
- span 356
- prep 70
- pupilage 10
- built-up 47
- normal 356
- humongous 11
- worse 342
- commensal 10
- successive 334
- Hello 55
- Hydra 108
- Strength 85
- besides 276
- spectacle 338
- ti 50
- Immortal 166
- framer 41
- meads 8
- homegrown 98
- overcoat 448
- card index 41
- Maintain 119
- Web site 127
- veracity 13
- distraction 169
- coquette 56
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- Competent 121
- paint 386
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- come a long way 28
- unleash 30
- assets 65
- quartering 9
- effect 427
- varlet 10
- Informal 72
- bring sb up 50
- parishioner 11
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- pd 16
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- dissatisfaction 72
- apotheosize 25
- opioid 103
- Financially 111
- All-around 79
- rotter 109
- Hope 125
- fact 401
- Ever 123
- Satisfying 44
- mangle 22
- blow-by-blow 30
- Protest 158
- Choke 57
- practicable 344
- halfway 51
- could 87
- anally 32
- rightless 9
- delusion 79
- toady 68
- extraordinary 369
- kickoff 59
- applicable 362
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- matriculate 17
- Scout 117
- HYGIENE 49
- withdraw 495
- millennia 33
- powdery 62
- straw 371
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- chancelleries 22
- neocolonialism 13
- bent 162
- pussier 6
- AIRTIGHT 43
- stiffen 306
- Unscrupulous 67
- urge 385
- Beneficial 80
- madagascan 10
- aesthetic 151
- sell out 77
- slope 350
- Uruguay 6
- gluttonous 48
- toxic shock syndrome 10
- soaring 131
- optimistic 493
- variation 356
- pitfall 75
- epitomise 43
- richest 35
- transpire 63
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- heroism 23
- panel 362
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- jailhouse 13
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- illustrate 387
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- Untrammelled 58
- catseye 24
- pr 49
- competent 338
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- presuppose 11
- sidle 12
- weeping 11
- wpm 10
- chamber orchestra 44
- scientistic 7
- crayon 58
- lasagna 18
- warmhearted 13
- French polish 44
- combings 12
- Ravenous 47
- easter 40
- Association 88
- skanky 13
- starchier 6
- realise 7
- syllable 39
- dust storm 46
- tiglon 10
- literary 315
- Fillet 81
- sherpa 11
- confidency 9
- Restock 46
- liquid 357
- Immoral 166
- cherokee 13
- humblebrag 11
- Retarded 18
- dandify 3
- coloring 60
- infinity 58
- wad 15
- interoperability 12
- pirouetter 9
- Cicada 12
- tri 7
- protean 11
- snook 9
- poll 371
- silks 6
- refutal 7
- come from 61
- wondered 8
- ungrammatical 8
- poppy 15
- hearer 9
- stateside 10
- hissingly 10
- morocco 13
- Host 150
- closed captioned 46
- fable 53
- green pepper 36
- stationers 5
- touchline 11
- regularity 129
- inrush 15
- song 17
- trans- 52
- Vermin 81
- cockpit 41
- lapsed 18
- imbue 51
- polarization 107
- aloe 55
- hobnob 16
- renaissance 35
- startingly 8
- prob 7
- flintlock 39
- unhurried 11
- boxcar 59
- dipstick 53
- just the ticket 15
- whizzed 5
- Stamp 40
- tramcar 10
- sheila 9
- jinni 22
- barratry 27
- sunburned 9
- pressurization 6
- allusive 58
- prizefighter 8
- tutu 10
- outsource 120
- run for it 30
- panoramic 77
- rule 480
- specious 65
- renascence 8
- gut 229
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- clipping 69
- hicky 12
- slate blue 47
- preppy 12
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- jujube 13
- shtetl 9
- Brandy 31
- Retreat 39
- docudrama 59
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- Speak 82
- minke whale 12
- sponge bag 11
- waterlogging 8
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- hallo 50
- swordsmen 5
- rhumba 9
- Ugly 46
- detachable 56
- soiree 64
- scolding 11
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- throughout 295
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- waterless 12
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- surly 107
- floodwater 16
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- lightning rod 38
- assertive 56
- pooja 8
- lustrous 74
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- mannerism 8
- shudder 74
- separatory 9
- edify 73
- thinkingness 6
- Cinnamon 35
- genitalia 34
- legislate 62
- dismal 172
- change of life 139
- state of the art 106
- sulker 6
- spanned 7
- headstand 12
- Intriguing 80
- fusillade 47
- reis 8
- sentence 408
- sweetish 8
- wanner 6
- soled 8
- Terrible 120
- flavory 3
- stomach 335
- albuquerque 18
- maximize 155
- win 453
- lain 30
- shipwreck 143
- barber 284
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- happiness 331
- Gateway 31
- bituminize 23
- bourgeoisie 56
- shimmies 6
- aware 395
- eagle-eyed 28
- creature 338
- Merry Christmas 22
- patronizingly 86
- ordered 14
- Try 79
- jingoism 11
- Big Brother 44
- electroshock 5
- thumb 375
- aside from 53
- Obscure 164
- chronicle 127
- tyro 13
- cubbyhole 53
- scorchingly 6
- blouse 68
- rebelled 7
- Wood 79
- bar 315
- come up against 50
- price 202
- Appearance 68
- For instance 35
- flay 43
- mayoress 6
- remove 355
- threaten 591
- Brew 46
- worm 388
- under way 86
- Frown 167
- carry through 46
- Intra 48
- decayer 21
- religion 316
- sward 13
- snugged 7
- oddments 8
- Belongs 30
- primitivism 8
- oft 10
- queenliest 6
- Final 100
- Perverse 61
- Logical 147
- artistic 308
- future 195
- mozzarella 43
- leg 136
- pursuer 95
- Virtual 107
- work to rule 48
- Dissatisfied 112
- revels 9
- size 72
- theoretical 312
- serialization 9
- doable 56
- blackout 124
- reuse 53
- proceed 377
- irrigate 64
- singularities 8
- aeon 62
- CONCEAL 47
- rakery 7
- Decree 60
- tension 323
- followership 37
- Come back 31
- house 390
- Pecuniary 105
- embargo 72
- blueberry 62
- flesh 376
- Inculcating 7
- Refrigerate 44
- stone 427
- deed poll 34
- Join 131
- Cosmopolitan 107
- mistress 335
: a method or device for detecting and locating objects especially underwater by means of sound waves sent out to be reflected by the objects
also : a device for detecting the presence of a vessel (such as a submarine) by the sound it emits in water
Example Sentences
They detected the submarine by using sonar.
Recent Examples on the Web Fish and Game hasn’t started counting the sockeye on the Kenai River yet, but the Kasilof River counts are ticking up, with 36,291 sockeye having passed the sonar as of Wednesday, according to Fish and Game. 
Elizabeth Earl For Alaska Journal Of Commerce, Anchorage Daily News, 24 June 2022 Advances in sonar allowed United States ships to measure the ocean floor in deep water but not in the shallows surrounding land masses. Andrew Dubbins, Smithsonian Magazine, 18 Aug. 2022 The marine biologists behind eco-tour operator Dyer Island Cruises can answer questions on everything from habitat threats to dolphin sonar. Jen Murphy, WSJ, 17 Aug. 2022 Bush and other researchers will spend a week on a research vessel in the water off Attu, surveying below using sonar and remotely operated vehicles to search for the wreckage. Morgan Krakow, Anchorage Daily News, 13 Aug. 2022 Initial sonar surveys suggest there still could be thousands of physical barrels underwater filled with who knows what. Rosanna Xiastaff Writer, Los Angeles Times, 4 Aug. 2022 Higher-resolution sonar picked up individual clusters of animals and more subtle movements up and down. Katherine Harmon Courage, Scientific American, 1 Aug. 2022 Sodefor has even deployed sonar and divers to retrieve logs that spilled into the river during a storm. New York Times, 14 June 2022 Intense searches followed, with San Diego Fire-Rescue lifeguards aboard rescue vessels and watercraft using sonar to aid in scuba diver searches. Teri Figueroa, San Diego Union-Tribune, 13 July 2022 See More
Elizabeth Earl For Alaska Journal Of Commerce, Anchorage Daily News, 24 June 2022 Advances in sonar allowed United States ships to measure the ocean floor in deep water but not in the shallows surrounding land masses. Andrew Dubbins, Smithsonian Magazine, 18 Aug. 2022 The marine biologists behind eco-tour operator Dyer Island Cruises can answer questions on everything from habitat threats to dolphin sonar. Jen Murphy, WSJ, 17 Aug. 2022 Bush and other researchers will spend a week on a research vessel in the water off Attu, surveying below using sonar and remotely operated vehicles to search for the wreckage. Morgan Krakow, Anchorage Daily News, 13 Aug. 2022 Initial sonar surveys suggest there still could be thousands of physical barrels underwater filled with who knows what. Rosanna Xiastaff Writer, Los Angeles Times, 4 Aug. 2022 Higher-resolution sonar picked up individual clusters of animals and more subtle movements up and down. Katherine Harmon Courage, Scientific American, 1 Aug. 2022 Sodefor has even deployed sonar and divers to retrieve logs that spilled into the river during a storm. New York Times, 14 June 2022 Intense searches followed, with San Diego Fire-Rescue lifeguards aboard rescue vessels and watercraft using sonar to aid in scuba diver searches. Teri Figueroa, San Diego Union-Tribune, 13 July 2022 See More Word History
Etymology
sound navigation ranging
First Known Use
1943, in the meaning defined above
Time Traveler
The first known use of sonar was in 1943 Phrases Containing sonar
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