sluggish

adjective

slug·​gish ˈslə-gish 

1

: averse to activity or exertion : indolent

also : torpid

2

: slow to respond (as to stimulation or treatment)

3

a

: markedly slow in movement, flow, or growth

b

: economically inactive or slow

sluggishly adverb

sluggishness noun

Synonyms of sluggish

• slow
• leisurely
• lagging

Examples of sluggish in a Sentence

The game picked up after a sluggish start.

the sluggish pace of the project is worrisome

Recent Examples on the Web

After a few sluggish performances in Wednesday’s season kickoff game and Thursday’s Australian debut, the offenses came ready to strike Sunday. — Jayna Bardahl, New York Times, 14 Sep. 2026

And that was compounded by the Rams’ travel plans being widely panned after their sluggish defeat. — Mirjam Swanson, Los Angeles Times, 14 Sep. 2026

The Steelers needed a vintage Watt performance to overcome a sluggish start by Aaron Rodgers and company. — ABC News, 13 Sep. 2026

Despite his slow, ambling movement, Lee is always one step ahead of other cops, even in a foot chase where both men run at a shambling, sluggish pace. — Jake Cole, IndieWire, 10 Sep. 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Kids Definition

sluggish

adjective

slug·​gish ˈsləg-ish 

: slow in movement or reaction by habit or condition

sluggishly adverb

sluggishness noun

Medical Definition

sluggish

adjective

slug·​gish ˈsləg-ish 

: markedly slow in movement, progression, or response

sluggish healing

sluggishly adverb

sluggishness noun