ENIGMA

Pronunciation (US): (GB):

Meaning:

Something that baffles understanding and cannot be explained

Example:

it remains one of nature's secrets

Synonyms:

closed book; enigma; mystery; secret

Classified under:

Nouns denoting cognitive processes and contents

Hypernyms ("enigma" is a kind of...):

perplexity (trouble or confusion resulting from complexity)

Derivation:

enigmatic (resembling an oracle in obscurity of thought)

enigmatic; enigmatical (not clear to the understanding)

Meaning:

A difficult problem

Synonyms:

brain-teaser; conundrum; enigma; riddle

Classified under:

Nouns denoting communicative processes and contents

Hypernyms ("enigma" is a kind of...):

problem (a question raised for consideration or solution)