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on

adjective

Synonyms and Antonyms of on

being in effective operation
  • Please don't leave the sanding machine on if you're not going to be near it.
Synonyms of on

active, alive, functional, functioning, going, live, living, operating, operational, operative, running, working
Words Related to on

effective, effectual

employable, operable, usable (also useable), viable, workable

performing, producing, productive, serving, useful, yielding

astir, bustling, busy, dynamic, flourishing, humming, roaring, thriving
Phrases Synonymous with on

in commission (or into commission), in force, in gear, on line
Near Antonyms of on

deactivated, decommissioned

ineffective, ineffectual, useless

inoperable, unusable, unworkable

arrested, asleep, dormant, fallow, idle, inert, latent, lifeless, nonproductive, quiescent, sleepy, stagnating, unproductive, vegetating
Antonyms of on

broken, dead, inactive, inoperative, kaput (also kaputt), nonactivated, nonfunctional, nonfunctioning, nonoperating, nonoperational, nonoperative

on

adverb

Synonyms and Antonyms of on

1 toward a point ahead in space or time
  • We really must move on now if we're going to end this meeting before midnight.
Synonyms of on

ahead, forth, forward, onward (also onwards)
Near Antonyms of on

backward (or backwards)
2 toward or at a point lying in advance in space or time
  • He's getting on in years and doesn't see or hear as well as he used to.
Synonyms of on

ahead, along, forth, forward, forwards, onward (also onwards)
Words Related to on

before, fore, frontward (or frontwards)
Near Antonyms of on

back, backward (or backwards), behind, rearward (also rearwards)

on

preposition

Synonyms and Antonyms of on

1 having to do with
  • Books on sports heroes are my favorite reading matter.
Synonyms of on

about, apropos, apropos of, as far as, as for, as regards (also as respects), as to, concerning, of, regarding, respecting, touching, toward (or towards)
Words Related to on

over
Phrases Synonymous with on

in regard to, in respect to, in view of, with regard to, with respect to
2 in or into contact with
  • Don't lean on that ladder—you'll knock it over.
Synonyms of on

against, upon
Words Related to on

alongside, next, next to

upside

Learn More about on

  1. See words that rhyme with on Dictionary: Definition of on Medical Dictionary: Definition of on Spanish Central: Translation of on Nglish: Translation of on for Spanish speakers Britannica English: Translation of on for Arabic speakers

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