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BNC: 7076 COCA: 7869

ineffective

1 ENTRIES FOUND:
ineffective /ˌɪnəˈfɛktɪv/ adjective
ineffective
/ˌɪnəˈfɛktɪv/
adjective
Learner's definition of INEFFECTIVE
[more ineffective; most ineffective]
: not producing or having the effect you want : not effective无效果的;不起作用的;不奏效的

— ineffectively

adverb

— ineffectiveness

noun [noncount]
BNC: 7076 COCA: 7869

ineffective

adjective

in·​ef·​fec·​tive ˌi-nə-ˈfek-tiv How to pronounce ineffective (audio)
1
: not producing an intended effect : ineffectual
ineffective lighting
2
: not capable of performing efficiently or as expected : incapable
an ineffective executive
ineffectively adverb
ineffectiveness noun

Example Sentences

The treatment was ineffective against the disease. an ineffective effort to reduce unemployment that only spurred inflation
Recent Examples on the Web Her serve, which had helped her rack up the most aces on the women’s tour this season, became suddenly ineffective. Joshua Robinson, WSJ, 9 Sep. 2022 What’s happening now matters because of what came before, which was in its own moment ineffective due to repetition. Daniel D'addario, Variety, 8 Sep. 2022 But when humidity rises above 75%, sweating becomes ineffective. Jen Christensen, CNN, 6 Sep. 2022 Honestly, there are still doubts about whether Jackson has improved enough as a thrower to lead the Ravens to the Super Bowl, much less win one, especially with the ineffective offensive play calling. Mike Preston, Baltimore Sun, 6 Sep. 2022 Despite deauthorization, study authors found 158,395 doses were administered between Jan. 24 and June 29, totaling more than $71 million spent on ineffective treatments, according to the report published this week in JAMA Network Open. Adrianna Rodriguez, USA TODAY, 3 Sep. 2022 Much of last season’s struggles centered on an ineffective offense led by quarterback DJ Uiagalelei, who completed just 55% of his passes which was the second-lowest completion rate among starting ACC quarterbacks. Matt Murschel, Orlando Sentinel, 1 Sep. 2022 Kuithe noted Utah’s 1-2 start, then moved onto the fact that Cam Rising’s emergence in place of an ineffective Charlie Brewer fueled a run to the program’s first Pac-12 title, the Utes winning nine of 11 to close the season. Josh Newman, The Salt Lake Tribune, 1 Sep. 2022 The complaint, which was obtained by The Washington Post and cited by Musk’s attorneys, alleges egregious security deficiencies and ineffective methods for counting bots at the social media giant. Faiz Siddiqui And Elizabeth Dwoskin, Anchorage Daily News, 24 Aug. 2022 See More

Word History

First Known Use

1649, in the meaning defined at sense 1

Time Traveler
The first known use of ineffective was in 1649
BNC: 7076 COCA: 7869
ineffective

adjective

VERBS | ADVERB | PREPOSITION VERBSbe, prove, seem無效;證明無效;似乎無效These policies have proved ineffective.事實證明這些政策並不奏效。become變得無效make sth, render sth使⋯不起作用;使⋯無效The contract was rendered ineffective by this careless wording.措辭不慎致使這份合同失效。ADVERBextremely, fairly, very, etc.效果極其/相當/非常不好highly效果極其不好completely, entirely, totally完全無效;絲毫不起作用largely在很大程度上無效politically政治上不起作用PREPOSITIONagainst對⋯無效These weapons are totally ineffective against tanks.這些武器在坦克面前根本不起作用。in在⋯方面無效chemicals that are very ineffective in killing weeds除草效果很差的化學品

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