past vs period of time

period of time vs past

past and period of time both are nouns.

past is an adjective but period of time is not an adjective.

past is an adverb but period of time is not an adverb.

Word	Noun	Adjective	Verb	Adverb
past	Yes	Yes	No	Yes
period of time	Yes	No	No	No

As nouns, period of time is a hypernym of past; that is, period of time is a word with a broader meaning than past:

past: a earlier period in someone's life (especially one that they have reason to keep secret)
period of time: an amount of time

Other hypernyms of past include period, time period.

past (noun)	period of time (noun)
a verb tense that expresses actions or states in the past	an amount of time
the time that has elapsed
a earlier period in someone's life (especially one that they have reason to keep secret)

past (adjective)	period of time (adjective)
earlier than the present time; no longer current
of a person who has held and relinquished a position or office

past (adverb)	period of time (adverb)
so as to pass a given point

Difference between past and period of time

Words related to "period of time"

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