| 1. |
(satellite adjective) performing or scheduled for duties; "I'm on from five to midnight"; "Naval personnel on duty in Alaska"; "her on-duty hours were 11p.m. to 7 a.m." |
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Synonyms: on duty, on-duty |
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| 2. |
(adverb) indicates continuity or persistence or concentration; "his spirit lives on"; "shall I read on?" |
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| 3. |
(adverb) in a state required for something to function or be effective; "turn the lights on"; "get a load on" is slang for "drink enough to become intoxicated" |
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| 4. |
(adjective) in operation or operational; "left the oven on"; "the switch is in the on position" |
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Antonyms: off |
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| 5. |
(adjective) (of events) planned or scheduled; "the picnic is on, rain or shine"; "we have nothing on for Friday night" |
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Antonyms: off |
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| 6. |
(adverb) with a forward motion; "we drove along admiring the view"; "the horse trotted along at a steady pace"; "the circus traveled on to the next city"; "move along"; "march on" |
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Synonyms: along |
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