perplex

verb

per·​plex pər-ˈpleks 

perplexed; perplexing; perplexes

transitive verb

1

: to make unable to grasp something clearly or to think logically and decisively about something

her attitude perplexes me

a perplexing problem

2

: to make intricate or involved : complicate

Synonyms

• complex
• complexify
• complicate
• embarrass
• entangle
• sophisticate

Choose the Right Synonym for perplex

puzzle, perplex, bewilder, distract, nonplus, confound, dumbfound mean to baffle and disturb mentally.

puzzle implies existence of a problem difficult to solve.

the persistent fever puzzled the doctor

perplex adds a suggestion of worry and uncertainty especially about making a necessary decision.

a behavior that perplexed her friends

bewilder stresses a confusion of mind that hampers clear and decisive thinking.

a bewildering number of possibilities

distract implies agitation or uncertainty induced by conflicting preoccupations or interests.

distracted by personal problems

nonplus implies a bafflement that makes orderly planning or deciding impossible.

the remark left us utterly nonplussed

confound implies temporary mental paralysis caused by astonishment or profound abasement.

the tragic news confounded us all

dumbfound suggests intense but momentary confounding; often the idea of astonishment is so stressed that it becomes a near synonym of astound.

was at first too dumbfounded to reply

Examples of perplex in a Sentence

Questions about the meaning of life have always perplexed humankind.

let's not perplex the issue further with irrelevant concerns

Recent Examples on the Web

Multiple current and former FDA officials said they were perplexed by Makary's claim, given the push for longer trips in the past had been an efficiency measure intended to result in the agency being able to complete more inspections. —Paula Cohen, CBS News, 6 May 2025

Archaeologists were perplexed by a strange pair of discs found in Oman – only to discover these items were actually a single 4,000-year-old instrument. —Andrea Margolis, FOXNews.com, 17 Apr. 2025

For years, the fossilized jawbone has perplexed researchers. —Sarah Kuta, Smithsonian Magazine, 11 Apr. 2025

But there are differences that can leave college fans perplexed, like when productive and highly decorated players tumble down the draft board. —Scott Dochterman, New York Times, 26 Apr. 2025

Word History

Etymology

obsolete perplex, adjective, involved, perplexed, from Latin perplexus, from per- thoroughly + plexus involved, from past participle of plectere to braid, twine — more at per-, ply

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for perplex

• annex
• annexe
• apex
• aztecs
• carex
• codecs
• codex
• convex
• cusecs
• duplex
• execs
• fedex

Kids Definition

perplex

verb

per·​plex pər-ˈpleks 

1

: to block the understanding of

especially : confuse sense 1a, bewilder

2

: to make difficult to understand : complicate

perplexed

-ˈplekst

adjective

perplexedly

-ˈplek-səd-lē

-ˈpleks-tlē

adverb