Table of Contents
Antonyms
Synonyms
Etymology
1. countdown
noun. ['ˈkaʊntˌdaʊn'] counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle).
Synonyms
Etymology
- countdown (English)
- count (English)
- counten (Middle English (1100-1500))
- down (English)
- doun (Middle English (1100-1500))