For all your dictionary needs!
Index. Are you looking for terms starting with ON?
Header of on


ON is sometimes a misspelling of an, know, no, not, of, off, one or own.

The word on is considered to be an easy one, according to the Dale-Chall word list, which includes 3000 words that all fourth-grade American students should know and understand.

Video footage: Bubble Surges on Black Background
Play/pauseBuy footageFind more

Definition of the adjective on

What does on mean as an attribute of a noun?

adjective - degrees: oner |

  1. in operation or operational
    • examples: left the oven on | the switch is in the on position
    • antonym: off
    • similar: connected
  2. (of events) planned or scheduled
    • examples: the picnic is on, rain or shine | we have nothing on for Friday night
    • antonym: off

Alternative definition of the adjective on


  1. in the state of being active, functioning or operating
  2. performing according to schedule
  3. [UK, informal] Acceptable, appropriate.
  4. [baseball, informal] Having reached a base as a runner and being positioned there, awaiting further action from a subsequent batter.

Definition of the adverb on

What does on mean as an attribute of something other than a noun?


  1. with a forward motion
    • examples: the circus traveled on to the next city | march on
    • synonym of on: along
  2. indicates continuity or persistence or concentration
    • examples: his spirit lives on | shall I read on?
  3. in a state required for something to function or be effective
    • examples: turn the lights on | get a load on

Alternative definition of the adverb on


  1. to an operating state
  2. along, forwards (continuing an action)
  3. in continuation, at length.
  4. [cricket] in, or towards the half of the field on the same side as the batsman's legs; the left side for a right-handed batsman; leg
  5. [context: not US] Later.

Other definitions of on

What does on also mean?


  1. Ontario, a province of Canada.

Scrabble value of O1N1

The value of this 2-letter word is 2 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

Share this page


Go to the pronunciation of ON to learn how to say it correctly!

Privacy Policy | Cookies Policy
Keyword Tool | Romanian-English Dictionary