Diffident and Sluggish

Diffident

Diffident adjective - Not comfortable around people.

Sluggish and diffident are semantically related. In some cases you can use "Sluggish" instead an adjective "Diffident".

Nearby Words: diffidence, diffidently

Sluggish

Sluggish adjective - Moving or proceeding at less than the normal, desirable, or required speed.

Diffident and sluggish are semantically related. Sometimes you can use "Diffident" instead an adjective "Sluggish".

Nearby Words: sluggishness, sluggishly

Mutual synonyms

Cite this Source
Sluggish and Diffident. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/diffident/sluggish
Diffident & Sluggish. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/diffident/sluggish>.
Sluggish or Diffident. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/diffident/sluggish.
Google Ngram Viewer shows how "diffident" and "sluggish" have occurred on timeline