abstruse
adjective/əbˈstruːs/
/əbˈstruːs/
(formal, often disapproving)- difficult to understand
- an abstruse argument
Word Originlate 16th cent.: from Latin abstrusus ‘put away, hidden’, from abstrudere ‘conceal’, from ab- ‘from’ + trudere ‘to push’.Definitions on the go
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abstruse