[trem.u.lous] adj [L tremulus--more at tremble] (1611) 1: characterized by or affected with trembling or tremors
2: affected with timidity: timorous
3: such as is or might be caused by nervousness or shakiness "a ~ smile" "~ handwriting"
4: exceedingly sensitive: easily shaken or disordered -- trem.u.lous.ly adv -- trem.u.lous.ness n