enigma

[ uh-nig-muh ]

noun

, plural e·nig·mas; Chiefly Archaic e·nig·ma·ta [uh, -, nig, -m, uh, -t, uh].

1. a puzzling or inexplicable occurrence or situation:

   His disappearance is an enigma that has given rise to much speculation.

   Synonyms: problem

2. a person of puzzling or contradictory character:

   To me he has always been an enigma, one minute completely insensitive, the next moved to tears.

3. a saying, question, picture, etc., containing a hidden meaning; riddle.
4. (initial capital letter) a German-built enciphering machine developed for commercial use in the early 1920s and later adapted and appropriated by German and other Axis powers for military use through World War II.

enigma

/ ˌɛnɪɡˈmætɪk; ɪˈnɪɡmə /

noun

1. a person, thing, or situation that is mysterious, puzzling, or ambiguous

Derived Forms

• enigmatic, adjective
• ˌenigˈmatically, adverb

Word History and Origins

Origin of enigma¹

First recorded in 1530–40; from Latin aenigma, from Greek aínigma, equivalent to ainik- (stem of ainíssesthai “to speak in riddles,” derivative of aînos fable) + -ma noun suffix of result

Word History and Origins

Origin of enigma¹

C16: from Latin aenigma, from Greek ainigma, from ainissesthai to speak in riddles, from ainos fable, story

Synonym Study

See puzzle.

Example Sentences

This new research may solve this enigma.

From Science Daily

Described by some as an “enigma”, Mrs Trump has preferred to be less public than her predecessors, giving fewer speeches both in the White House and on the campaign trail.

From BBC

The scientist played a crucial role in the Allies' victory over Nazi Germany in World War Two by helping to crack codes and deciphering the infamous Enigma machine at Bletchley Park.

From BBC

For all his hate, misogyny and political lies, I have to admit, I am fascinated by Vance and the enigma he is.

From Salon

Away from politics, Salmond was something of an enigma.

From BBC

Related Words

• conundrum
• puzzle