Definition of on:

part of speech: pronoun

One; they.

part of speech: adverb

Forward in progression; in continuance; without ceasing; opposed to off; on a sudden, suddenly.

part of speech: preposition

Above, and in contact with the upper surface of a thing; not off; upon; at or near; denoting dependence or reliance; denoting nearness or closeness; denoting addition or accumulation.

part of speech: interjection

A word of excitement or encouragement to attack or advance; a contraction for go on.

Usage examples:

  • " No, on the way home. Virginia Woolf in "Night and Day".
  • What on earth is that? Charles Weathers Bump in "The Mermaid of Druid Lake and Other Stories".
  • The balloon is on fire! Ralph Bonehill in "Leo the Circus Boy".
  • She sat on my father's side of the fire. Alexander Irvine in "My Lady of the Chimney Corner".

Word of the day


The title of the highest order of judges in the Turkish empire. ...