(adjective, adverb, preposition)


1. located below or beneath something else

- the under parts of a machine

Similar word(s): low, nether

2. lower in rank, power, or authority

- an under secretary

Similar word(s): subordinate


1. down to defeat, death, or ruin

- their competitors went under

2. through a range downward

- children six and under will be admitted free

3. into unconsciousness

- this will put the patient under

4. in or into a state of subordination or subjugation

- we must keep our disappointment under

5. below some quantity or limit

- fifty dollars or under

6. below the horizon

- the sun went under

7. down below

- get under quickly!

8. further down

- see under for further discussion

Similar word(s): below

Sentences with under as an adverb:

- It took the hypnotist several minutes to make his subject go under.


1. In or at a lower level than.

2. As a subject of; subordinate to.

- He served in World War II under General Omar Bradley.

3. Less than.

4. Below the surface of.

5. (figuratively) In the face of; in response to (some attacking force).

- to collapse under stress; to give in under interrogation

6. As, in the character of.

- he writes books under the name John Smith