Entry 2 senses Webster, 1913 Timorous /tĭm'-ẽr-əs/ · Tim·or·ous · IPA /ˈtɪməɹəs/ 01 a. Fearful of danger; timid; deficient in courage. 1. Fearful of danger; timid; deficient in courage. 2. Indicating, or caused by, fear; as, timorous doubts.