Definition of Upon:

part of speech: preposition

On; resting on the top of; touching; as, upon the wall; situated on; judging from; as, upon safe evidence; belonging to; as, upon the committee; in a state of; as, upon sale; at the moment of; to or toward; relating to.

part of speech: preposition

On ( used. esp. after verbs of motion).

part of speech: interjection


part of speech: preposition

Same as ON.

Usage examples for Upon:

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To cut or shave off the outside or ends of; as, to pare an apple; to cut away little by little; reduce. ...