We found 14 dictionaries that define the word tightener:

General (10 matching dictionaries)

1. tightener: Merriam-Webster
2. tightener: Collins English Dictionary
3. tightener: Wordnik
4. tightener: Wiktionary
5. tightener: Dictionary.com
6. Tightener: Online Plain Text English Dictionary
7. tightener: Webster's Revised Unabridged, 1913 Edition
8. Tightener: AllWords.com Multi-Lingual Dictionary
9. tightener: FreeDictionary.org
10. Tightener: TheFreeDictionary.com

Business (1 matching dictionary)

11. tightener: Legal dictionary

Miscellaneous (1 matching dictionary)

12. tightener: Idioms

Slang (2 matching dictionaries)

13. tightener: Green’s Dictionary of Slang
14. tightener: Urban Dictionary

(Note: See tighten as well.)

Definitions from Wiktionary (tightener) ▸ noun:  Something used to tighten. ▸ noun:  (UK, slang, archaic) A large meal; a feast or blowout. Similar: tensioner, tweaker, tension wrench, locknut, take-up, wrench, adjustable spanner, toolsetter, fastener, nut wrench, more... Opposite: loosener, relaxer, unbinder Types: screw, clamp, wedge, turnbuckle, tensioner, strap, chain, rope, winch, more... Phrases: belt tightener, more... Adjectives: automatic, adjustable, wire, regular, arytenoid, main, winch ▸ Words similar to tightener ▸ Usage examples for tightener ▸ Idioms related to tightener ▸ Wikipedia articles (New!) ▸ Popular adjectives describing tightener ▸ Words that often appear near tightener ▸ Rhymes of tightener ▸ Invented words related to tightener