Nighttime

Alternative forms

• night-time

Origin

night + time

Full definition of nighttime

Noun

1. The hours of darkness between sunset and sunrise; the night.

Synonyms

• night

Antonyms

• day
• daytime

Derived terms

• night-times

Adjective

1. Pertaining to nighttime; appropriate to the night.
2. Happening during the night.

Synonyms

• (pertaining to nighttime): night
• (happening during the night): night

Antonyms

• (pertaining to nighttime): day, daytime