complete in every respect, including formalities; as, a full-dress debate; a full-dress investigation.
suitable for formal occasions; "formal wear"; "a full-dress uniform"; "dress shoes"
(of an occasion) requiring formal clothes; "a dress dinner"; "a full-dress ceremony"
Uniform worn by R.I.C. officers on formal and ceremonial occasions (e.g. parades and public Balls) and certain official duties (e.g. Courts of Assize). There were also versions of full dress worn by the lower ranks.