(noun, verb)


1. (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground

Definition categories: plant

2. the place where something begins, where it springs into being

- communism's Russian root

Similar word(s): beginning, origin, rootage, source

Definition categories: location, point

3. (linguistics) the form of a word after all affixes are removed

Similar word(s): base, radical, stem, theme

Definition categories: communication, descriptor, form, signifier

4. a number that, when multiplied by itself some number of times, equals a given number

Definition categories: quantity, number

5. the set of values that give a true statement when substituted into an equation

Similar word(s): solution

Definition categories: group, set

6. someone from whom you are descended (but usually more remote than a grandparent)

Similar word(s): ancestor, antecedent, ascendant, ascendent

Definition categories: person, relation, relative

7. a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes

Similar word(s): etymon

Definition categories: communication, descriptor, form, signifier

8. the embedded part of a bodily structure such as a tooth, nail, or hair

Definition categories: body, structure

Sentences with root as a noun:

- This tree's roots can go as deep as twenty metres underground.

- Root damage is a common problem of overbrushing.

- The root is the only part of the hair that is alive.

- He dyed his hair black last month, so the grey roots can be seen.

- The love of money is the root of all evil.

- The cube root of 27 is 3.

- Multiply by root 2.


1. take root and begin to grow

- this plant roots quickly

Definition categories: change, grow

2. come into existence, originate

- The problem roots in her depression

Definition categories: stative, become

3. cheer for

- She roots for the Broncos

Definition categories: social, support

4. plant by the roots

Definition categories: contact, plant, set

5. dig with the snout

- the pig was rooting for truffles

Similar word(s): rootle, rout

Definition categories: contact, delve, dig

6. become settled or established and stable in one's residence or life style

Similar word(s): settle

Definition categories: change, stabilise, stabilize

7. cause to take roots

Definition categories: change, grow

Sentences with root as a verb:

- We rooted his box and planted a virus on it.

- A pig roots the earth for truffles.

- rooting about in a junk-filled drawer

- I'm rooting for you, don't let me down!