(1):

(a.) Being of one mind; agreeing in opinion, design, or determination; consentient; not discordant or dissentient; harmonious; as, the assembly was unanimous; the members of the council were unanimous.

(2):

(a.) Formed with unanimity; indicating unanimity; having the agreement and consent of all; agreed upon without the opposition or contradiction of any; as, a unanimous opinion; a unanimous vote.