Enigma
mediumNeutral toneih-NIG-muh
noun
Definition
A puzzling person or thing; something mysterious or inexplicable
Memory hook
The ENIGMA machine in WWII created puzzles — an enigma is a baffling mystery.
Word roots
Learning roots unlocks whole word families. Study common GRE root words.
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.”
Test yourself
Fill in the blank with the right word:
“The patient's sudden recovery remained an ______ to the medical team, defying all conventional diagnostic explanations.”
Show answer
enigma
Synonyms
Antonyms
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".
Related GRE Words
conundrum
a confusing and difficult problem or riddle
convoluted
extremely complex and intricate; hard to follow
involved
Complicated or difficult to understand; intricate
shrouded
Covered or enveloped so as to conceal from view
abstruse
Difficult to understand; obscure
arcane
Understood by few; mysterious or secret
Master enigma and 1,000+ GRE words
Learn through stories, practice with real GRE questions, and never forget with spaced repetition.