Dictionary.com
Thesaurus.com
Showing results for sluggish. Search instead for Tim Sluggish.
Synonyms

sluggish

American  
[sluhg-ish] / ˈslʌg ɪʃ /

adjective

  1. indisposed to action or exertion; lacking in energy; lazy; indolent.

    a sluggish disposition.

    Synonyms:
    slothful, slow
    Antonyms:
    active, quick
  2. not acting or working with full vigor, as bodily organs.

    a sluggish liver.

  3. slow to act or respond.

    a sluggish car engine.

  4. moving slowly, or having little motion, as a stream.

  5. slow, as motion.

  6. slack, as trade, business, or sales.


sluggish British  
/ ˈslʌɡɪʃ /

adjective

  1. lacking energy; inactive; slow-moving

  2. functioning at below normal rate or level

  3. exhibiting poor response to stimulation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See inactive.

Other Word Forms

  • sluggishly adverb
  • sluggishness noun
  • unsluggish adjective
  • unsluggishly adverb
  • unsluggishness noun

Etymology

Origin of sluggish

First recorded in 1400–50, sluggish is from the late Middle English word slugissh. See slug 1, -ish 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The combination of sluggish international segment growth coupled with the highest valuation in the software-as-a-service space leads Benchmark to remain sidelined for now.

From Barron's • Apr. 1, 2026

Investors are now scrutinizing the strength of a U.S. economy that has proved resilient despite a sluggish job market.

From The Wall Street Journal • Mar. 31, 2026

“A sluggish U.S. consumer faces a global oil shock,” writes TD Cowen Chief U.S.

From Barron's • Mar. 25, 2026

However, the weakness of the UK's jobs market and sluggish economic growth means a rate rise is by no means certain either.

From BBC • Mar. 25, 2026

Aron was caught in the roil of change too, but his impulses were more sluggish than Cal’s.

From "East of Eden" by John Steinbeck