Enigma

medium

ih-NIG-muh

noun

Definition

A puzzling person or thing; something mysterious or inexplicable

Examples

The patient's sudden recovery remained an enigma to the medical team, defying all conventional diagnostic explanations.
Despite decades of research, the ancient civilization's disappearance remains an enigma that historians continue to debate.

Synonyms

mysterypuzzleconundrumriddle

Antonyms

certaintyclarityobviousnesstransparency

Categories

GRE Tip

Enigma is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "mystery" or "puzzle" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "certainty".

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