Entry 4 senses · 2 variants Webster, 1913 full-dress · IPA n. adj. 01 n. full evening dress for men. 1. full evening dress for men. Syn. dress suit, full dress, tailcoat, tail coat, tails, white tie, white tie and tails. 02 adj. suitable for formal occasions; as, a full-dress uniform. 1. suitable for formal occasions; as, a full-dress uniform. 2. requiring formal clothes; -- of a social event; as, a full-dress ceremony. 3. complete in every respect, including formalities; as, a full-dress debate; a full-dress investigation. Syn. dress. — Syn. -- dress.