EN

Synonyms for on

17 synonyms
2 antonyms
1 meaning

preposition
adjective

Most common

in upon by under

All synonyms

Preposition

1. In — according to, from the standpoint of; (expressing what must follow, whether accepted or not, if a given…

in, upon, by, under, within, with dated

Other

over, about, due to, re, in regard to, as for, by virtue of, by dint of, apropos, anent dated

Adjective

Antonyms

All antonyms of on →

Definitions

prep. 1
According to, from the standpoint of; (expressing what must follow, whether accepted or not, if a given premise or system is assumed true).
adj. 1
In the state of being active, functioning or operating.
All the lights are on, so they must be home.

Related words

Phrases: put on airs on site end on on foot depending on on call
Other spellings: ohn

Choose the right word

On, Assumes or Putting?

One assumes the robes or insignia of office by putting them on, with or without right.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

in You will progress in proportion to your abilities.
by You are not old enough to go swimming by yourself.
under A fishing light wavers under the lee of an island.
upon I happened upon Bernard at a restaurant yesterday.
over Have more month left over at the end of the money.

Popularity over time

Word	1850 → 2019	Trend
on		steady
in		steady
by		falling
under		falling
upon		falling

Use in printed books, per decade from 1850 to 2019.

By length

2 letters: in¹, by¹, re¹
3 letters: leg¹
4 letters: with¹, over², upon²
5 letters: about², under², anent
6 letters: within²
7 letters: apropos³

The small number after each word is its number of syllables (over² = 2 syllables).