- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
settler
-
acquainted
-
wrote
-
creeping windmill grass
-
bedrock
-
abudefduf
-
sinusoidally
-
give
-
phobia
-
confer
- Hide translation
conundrum
conundrum /kəˈnʌndrəm/
noun
-
A difficult problem
(
brain-teaser
, conundrum
, enigma
, riddle
)
a difficult problem
