abstruse

/əbˈstɹus/

difficult to understand; obscure

abstruse in a sentence

“The abstruse theory confused most readers.”

Latin abstrusus hidden, concealed from abs- away + trudere to push

Related Words

rarefied

distant from the lives of ordinary people

sui generis

unique; in a class of its own

anomalous

deviating from what is standard or normal

singular

exceptionally good or great; remarkable

unprecedented

never done or known before

unparalleled

having no parallel or equal; exceptional