(1):

(a.) Fitted to awaken lament; to be lamented; sorrowful; pitiable; as, a lamentable misfortune, or error.

(2):

(a.) Miserable; pitiful; paltry; - in a contemptuous or ridiculous sense.

(3):

(a.) Mourning; sorrowful; expressing grief; as, a lamentable countenance.