SIMIOUS Meaning of SIMIOUS in English — simiousness , n./sim"ee euhs/ , adj.pertaining to or characteristic of apes or monkeys; simian. [ 1795-1805; simi ( a ) ape (see SIMIAN) + -OUS ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012