We found 19 dictionaries that define the word showtime:

General (15 matching dictionaries)

1. showtime: Longman Dictionary of Contemporary English
2. showtime: Merriam-Webster
3. showtime: American Heritage Dictionary of the English Language
4. showtime: Collins English Dictionary
5. showtime: Vocabulary.com
6. Showtime, showtime: Wordnik
7. showtime: Wiktionary
8. showtime: Webster's New World College Dictionary, 4th Ed.
9. showtime: Infoplease Dictionary
10. showtime: Dictionary.com
11. SHOWTIME, Showtime (Australian TV series), Showtime (Bro'Sis album), Showtime (Buffy episode), Showtime (Buffy the Vampire Slayer), Showtime (Croatia), Showtime (Croatian TV series), Showtime (Dizzee Rascal album), Showtime (James Brown album), Showtime (M*A*S*H), Showtime (Mick Ronson album), Showtime (Nitzer Ebb album), Showtime (Philippines), Showtime (South Korean TV series), Showtime (TV channel), Showtime (TV network), Showtime (The J. Geils Band album), Showtime (basketball), Showtime (brand), Showtime (busking), Showtime (film), Showtime (movie), Showtime (television), Showtime (video), Showtime, Showtime: Wikipedia, the Free Encyclopedia
12. showtime: Rhymezone
13. showtime: FreeDictionary.org
14. showtime: Mnemonic Dictionary
15. showtime: TheFreeDictionary.com

Computing (1 matching dictionary)

16. showtime: Encyclopedia

Slang (2 matching dictionaries)

17. showtime, showtime, showtime: Green’s Dictionary of Slang
18. ShOwTiMe, The Showtime: Urban Dictionary

Sports (1 matching dictionary)

19. Extreme Martial Arts Glosary (No longer online)

(Note: See showtimes as well.)

Definitions from Wiktionary (showtime) ▸ noun:  The time at which an entertainment event is set to begin. ▸ noun:  (figurative) The time for action. Similar: call time, when, off time, time in, beginning of day, opening, time of arrival, press time, opening time, prime time, more... Opposite: intermission, prelude, prologue, opening, beginning Types: opening night, premiere, benefit performance, command performance, more... Phrases: Showtime at the Apollo, Showtime Networks, It's Showtime Indonesia, Showtime Championship Boxing, Exo's Showtime, more... ▸ Words similar to showtime ▸ Usage examples for showtime ▸ Idioms related to showtime ▸ Wikipedia articles (New!) ▸ Popular adjectives describing showtime ▸ Words that often appear near showtime ▸ Rhymes of showtime ▸ Invented words related to showtime