enigmatic

adjective

enig·​mat·​ic ˌe-(ˌ)nig-ˈma-tik 

also ˌē-(ˌ)nig-

variants or less commonly enigmatical

ˌe-(ˌ)nig-ˈma-ti-kəl 

also ˌē-(ˌ)nig-

: of, relating to, or resembling an enigma : mysterious

enigmatically

ˌe-(ˌ)nig-ˈma-ti-k(ə-)lē 

also ˌē-(ˌ)nig-

adverb

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The Origin of Enigmatic Isn't a Mystery

An enigma is a puzzle, a riddle, a mystery. The adjective enigmatic describes what is hard to solve or figure out. An enigmatic person is someone who is a bit mysterious to others. Behind an enigmatic smile are thoughts impossible to guess. The word enigma originally referred not to people or smiles but to words, and specifically to words that formed a riddle or a complicated metaphor that tested one's alertness and cleverness. This meaning is clearly connected to the word's origin. Enigma comes from the Greek word ainissesthai, meaning "to speak in riddles."

Synonyms of enigmatic

• mysterious
• cryptic
• mystic
• uncanny

Choose the Right Synonym for enigmatic

obscure, dark, vague, enigmatic, cryptic, ambiguous, equivocal mean not clearly understandable.

obscure implies a hiding or veiling of meaning through some inadequacy of expression or withholding of full knowledge.

obscure poems

dark implies an imperfect or clouded revelation often with ominous or sinister suggestion.

muttered dark hints of revenge

vague implies a lack of clear formulation due to inadequate conception or consideration.

a vague sense of obligation

enigmatic stresses a puzzling, mystifying quality.

enigmatic occult writings

cryptic implies a purposely concealed meaning.

cryptic hints of hidden treasure

ambiguous applies to language capable of more than one interpretation.

an ambiguous directive

equivocal applies to language left open to differing interpretations with the intention of deceiving or evading.

moral precepts with equivocal phrasing

Examples of enigmatic in a Sentence

Space seethes with an enormous enigmatic energy, and, each second, trillions of cubic light-years more of it materializes from nothingness. —Bob Berman, Astronomy, November 2007

You'll recognize them by their enigmatic smile and faraway look as they jog, skate, commute, or wander the aisles of the supermarket. —Consumer Reports, December 2005

Despite all that has been written—and surmised—about him, Bill Gates remains the enigmatic ringmaster of the digital circus. —J. D. Reed, People, 15 Mar. 1999

the discovery of the abandoned ship in mid ocean remains one of the most enigmatic episodes in seafaring history

the Mona Lisa's enigmatic smile

Recent Examples on the Web

Set during the dying days of pre-recession indulgence at an elite Scottish university, the book follows Charlotte, a hopeless romantic with a destructive streak, and Esmé, an enigmatic rich girl with a tragic past. —Max Goldbart, Deadline, 4 Dec. 2025

At necessary moments in my life, Tom Stoppard, the preeminent British playwright who died last Saturday, has popped up like one of his frenetic characters, spouting enigmatic lines and leaving me thrilled, confused, and somehow heartened. —Adam Begley, The Atlantic, 1 Dec. 2025

There’s also so much more to him than meets the eye, resembling this Water sign’s enigmatic nature. —Valerie Mesa, PEOPLE, 27 Nov. 2025

These enigmatic creatures evolved around the same time and are known for epic transoceanic migrations. —Mrigakshi Dixit, Interesting Engineering, 27 Nov. 2025

Word History

Etymology

see enigma

First Known Use

1609, in the meaning defined above

Rhymes for enigmatic

• achromatic
• acrobatic
• adriatic
• aliphatic
• antistatic
• aromatic
• astigmatic
• autocratic
• automatic
• bureaucratic
• charismatic
• cholestatic