Word.ws English Dictionary

unslack

unslack adjective: not slack.

Adjective

unslack (comparative more unslack, superlative most unslack)

  1. (rare) Not slack.
    • […] and only 27 percent of the unslack sample planes were clay.1961, American Institute of Mining, Metallurgical, and Petroleum Engineers, Papers and Discussions Presented Before the [Coal] Division, page 440

Forms of unslack

comparativemore unslack
superlativemost unslack

Origin of unslack

From un- + slack.

Questions about unslack

What does unslack mean?
Unslack means not slack.
What part of speech is unslack?
Unslack is an adjective.

Words near unslack in the dictionary

  1. unskippable
  2. unskipped
  3. unskirted
  4. unskittish
  5. unskunked
  6. unslack
  7. unslacked
  8. unslackened
  9. unslackening
  10. unslacking
  11. unslagged

Source and license

Adapted from Wiktionary: unslack (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “unslack.” Word.ws, https://word.ws/unslack. Based on Wiktionary, CC BY-SA 4.0.