Reverse Dictionary: FORMAL

ADJECTIVES
► BUTTON-DOWN having or characteristic of a conventional or conservative attitude or appearance; staid, formal, repressed → 1959 US
► BUTTONED-DOWN having or characteristic of a conventional or conservative attitude or appearance; staid, formal, repressed → 1960 US
► BUTTONED UP reluctant to reveal emotion or to express thoughts freely; reserved, inhibited, or formal in manner or disposition; repressed prim → 1767
► FASHIONABLE pertaining to outward form or ceremony; merely formal → 1614 obs.
► FASHIONAL pertaining to outward form or ceremony; merely formal → 1617 obs.
► FASHIONARY formal → a1640 obs.
► OFFICIOUS pert. to an office or business, official;  hence, formal → 1610 obs.
► PRIMSY prim, demure, formal; precise → 1786 chiefly Sc.
► SMART of an item of clothing: attractively neat and stylish; relatively formal → 1704
► STODGY excessively formal and conventional

NOUNS
► BUCKRAM stiffness of manner; extreme preciseness or formality → 1981 Aust. colloq. (Bk.)
► CORNSTARCH AIRS stiff, formal manners → 1916 Amer. dial. (Bk.)
► FASHIONABLENESS superficiality, formality → 1608 obs.
► GALAH OCCASION any event that requires formal dress → 1999 Aust. sl. (Bk.)
► JUSTMENTS due ceremonies or formalities, esp. funeral rites → 1648 obs.
► PANJANDRUM official and ceremonial fuss or formality → 1883
► PUNCTILIO a minute detail of action or conduct; a nicety of behaviour, ceremony, or honour; a small or petty formality → 1596
► PUNCTILLE strict observance of or insistence upon minutiae of action or conduct; petty formality; punctiliousness → a1648 obs.

NOUNS – PERSON
► BOILED SHIRT any person or activity which is formal or lacking in human warmth → 1928 US sl.
► MRS. PRINCUM PRANCUM a nice, precise, formal madam → 19C
► PRIM an excessively formal or precise person; a prude → 1699 obs.
► STICK a stiff, awkward person; an overformal person → 1800 US sl.

VERBS
► ALLEMAND to conduct in a formal and courtly style → 1821 Eng. dial. obs.
► BUTTON UP to behave in a formal, reserved manner; to remain silent → 1872 colloq.
► PEEL EGGS to stand on ceremony; to behave in a formal way → c1860 sl.