This document defines and provides synonyms for various humorous and amusing vocabulary words including sarcasm, laughable, witty, ironic, irreverent, mocking, hysterical, cute, mirthful, amusing, light-hearted, outburst, guffaw, giggle, chuckle, titter, snicker, groan, smile, and smirk. It distinguishes between words that describe types of laughter or smiles in different tones and contexts.