25 abstruse synonyms include obscure, arcane, esoteric, little known, recherché, rarefied, recondite, difficult, hard, and puzzling. Abstruse is an adjective, and its antonyms are clear and obvious. Here are some additional synonyms for "abstruse" with example sentences.
25 other ways to say abstruse.
He explained the abstruse theory with ease.
Only experts could grasp the abstruse formula.
She simplified the abstruse material for the class.
The professor’s lecture was abstruse.