Word.ws English Dictionary

underactive

underactive adjective: less than normally active.

Adjective

underactive (comparative more underactive, superlative most underactive)

  1. Less than normally active.
    • Thus a person with an underactive thyroid can gain weight even on a low-calorie diet.1989 Apr, John A. McDougall, “Healthy by Choice”, in Vegetarian Times
    Synonyms:
    hypoactive

underactive meaning in Tamil

underactive in Tamil

குறைந்த அளவு வினை

Synonyms of underactive

Antonyms

Forms of underactive

comparativemore underactive
superlativemost underactive

Origin of underactive

From under- + active.

Words formed from underactive

Words that rhyme with underactive

14 more rhymesFewer rhymes

Questions about underactive

What does underactive mean?
Underactive means less than normally active.
What is underactive in Tamil?
Underactive in Tamil is குறைந்த அளவு வினை. See Underactive meaning in Tamil.
What part of speech is underactive?
Underactive is an adjective.

Words near underactive in the dictionary

  1. underactivated
  2. underactivates
  3. underactivating
  4. underactivation
  5. underactivations
  6. underactive
  7. underactive thyroid
  8. underactivity
  9. underactor
  10. underactors
  11. underacts

Source and license

Adapted from Wiktionary: underactive (page history and authors); underactive (Tamil Wiktionary) (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:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-underactive.wav.

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