unan·i·mous \yüˈnanəməs\adjective Etymology: Latin unanimus, from unus one + animus soul, mind — more at one, animate 1.: being of one mind : agreeing in opinion, design, or determination : consentient < the assembly was unanimous > < the members of the council were unanimous in their approval of the report > 2.: formed with or indicating unanimity : having the agreement and consent of all without dissent < a unanimous vote > • unan·i·mous·lyadverb