Dictionary and Thesaurus

Definition of Overnight

• (n.) The fore part of the night last past; the previous evening.
• (adv.) In the fore part of the night last past; in the evening before; also, during the night; as, the candle will not last overnight.

Synonyms of Overnight

• Nightlong
• All-Night

Antonyms of Overnight

Homophones of Overnight

• Overnite