When (noun) Definition, Meaning & Examples

adverb
  1. at what time or period? how long ago? how soon?: When are they to arrive?When did the Roman Empire exist?
  2. under what circumstances? upon what occasion?: When is a letter of condolence in order?When did you ever see such a crowd?
conjunction
  1. at what time: to know when to be silent.
  2. at the time or in the event that: when we were young;when the noise stops.
  3. at any time; whenever: He is impatient when he is kept waiting.
  4. upon or after which; and then: We had just fallen asleep when the bell rang.
  5. while on the contrary; considering that; whereas: Why are you here when you should be in school?
pronoun
  1. what time: Till when is the store open?
  2. which time: They left on Monday, since when we have heard nothing.
noun
  1. the time of anything: the when and the where of an act.
adverb
    • at what time? over what period?
    • (used in indirect questions)
  1. to state when an action is to be stopped or begun, as when someone is pouring a drink
  2. at a time at which; at the time at which; just as; after
  3. although
  4. considering the fact that
  5. at which (time); over which (period)
noun
  1. a question as to the time of some occurrence
When (noun) Definition, Meaning & Examples

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