tonite in English dictionary tonite Meanings and definitions of "tonite" (US, nonstandard) (informal, entertainment industry) Alternative spelling of tonight. noun (US, informal, entertainment industry) Alternative spelling of [i]tonight[/i] noun An explosive compound; a preparation of guncotton. more Grammar and declension of tonite tonite (uncountable) more Sample sentences with "tonite" Declension Stem Try again Available translations Cornish Croatian Estonian French Galician German Kurdish Kurmanji Polish Tamil Toki Pona Authors