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BNC: 1992 COCA: 1734

root

1 of 4

noun

ˈrüt How to pronounce root (audio) ˈru̇t How to pronounce root (audio)
plural roots
1
a
: the usually underground part of a seed plant body that originates usually from the hypocotyl, functions as an organ of absorption, aeration, and food storage or as a means of anchorage and support, and differs from a stem especially in lacking nodes, buds, and leaves
b
: any subterranean plant part (such as a true root or a bulb, tuber, rootstock, or other modified stem) especially when fleshy and edible
2
a
: the part of a tooth within the socket
also : any of the processes into which this part is often divided see tooth illustration
b
: the enlarged basal part of a hair within the skin
c
: the proximal end of a nerve
especially : the initial segment of a spinal nerve where it branches from the spinal cord : nerve root see also dorsal root, ventral root
d
: the part of an organ or physical structure by which it is attached to the body
the root of the tongue
3
a
: something that is an origin or source (as of a condition or quality)
… the love of money is the root of all evil … 1 Timothy 6:10 (King James Version)
b
: one or more progenitors of a group of descendants
—usually used in plural
c
: an underlying support : basis
d
: the essential core : heart
—often used in the phrase at root
e
: close relationship with an environment : tie
—usually used in plural
They put down roots in a farming community.
4
a
: a quantity taken an indicated number of times as an equal factor
2 is a fourth root of 16.
b
: a number that reduces an equation to an identity when it is substituted for one variable
5
a
: the lower part : base
b
: the part by which an object is attached to something else
6
: the simple element inferred as the basis from which a word is derived by phonetic change or by extension (such as composition or the addition of an affix or inflectional ending)
7
: the lowest tone of a chord (such as C in a C minor chord) when the tones are arranged in ascending thirds
8
computers : a level of access to a computer system that allows complete access to files on the system and complete control over the system's functions
—usually used before another noun
root userroot directory
rooted
ˈrü-təd How to pronounce root (audio)
ˈru̇-
adjective
rootedness noun
rootless
ˈrüt-ləs How to pronounce root (audio)
ˈru̇t-
adjective
rootlessness noun
rootlike
ˈrüt-ˌlīk How to pronounce root (audio)
ˈru̇t-
adjective

see also take root

root

2 of 4

verb (1)

rooted; rooting; roots

transitive verb

1
a
: to furnish with or enable to develop roots
b
: to fix or implant by or as if by roots
2
: to remove altogether by or as if by pulling out by the roots
—usually used with out
root out dissenters

intransitive verb

1
: to grow roots or take root
2
: to have an origin or base

root

3 of 4

verb (2)

rooted; rooting; roots

intransitive verb

1
: to turn up or dig in the earth with the snout : grub
2
: to poke or dig about

transitive verb

: to turn over, dig up, or discover and bring to light
—usually used with out
root out the cause of the problem

root

4 of 4

verb (3)

ˈrüt How to pronounce root (audio)
also
ˈru̇t How to pronounce root (audio)
rooted; rooting; roots

intransitive verb

1
: to noisily applaud or encourage a contestant or team : cheer
2
: to wish the success of or lend support to someone or something
rooter noun

Synonyms

Noun

Verb (1)

Choose the Right Synonym for root

origin, source, inception, root mean the point at which something begins its course or existence.

origin applies to the things or persons from which something is ultimately derived and often to the causes operating before the thing itself comes into being.

an investigation into the origin of baseball

source applies more often to the point where something springs into being.

the source of the Nile
the source of recurrent trouble

inception stresses the beginning of something without implying causes.

the business has been a success since its inception

root suggests a first, ultimate, or fundamental source often not easily discerned.

the real root of the violence

Example Sentences

Noun Elm trees have shallow roots. Pull weeds up by the roots so that they don't grow back. You can tell that she dyes her hair blonde because her dark roots are showing.

Word History

Etymology

Noun

Middle English, from Old English rōt, from Old Norse; akin to Old English wyrt root, Latin radix, Greek rhiza

Verb (2)

alteration of wroot, from Middle English wroten, from Old English wrōtan; akin to Old High German ruozzan to root

Verb (3)

perhaps alteration of rout entry 5

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1b

Verb (1)

14th century, in the meaning defined at intransitive sense

Verb (2)

1516, in the meaning defined at intransitive sense 1

Verb (3)

1889, in the meaning defined at sense 1

Time Traveler
The first known use of root was before the 12th century

Phrases Containing root

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