posh

• POS: Adjective, Adverb

OXFORD DICTIONARY

posh, adj. & adv. colloq.
--adj.
1 smart; stylish.
2 of or associated with the upper classes (spoke with a posh accent).
--adv. in a stylish or upper-class way (talk posh; act posh).

Idiom

posh up smarten up.

Derivative

poshly adv. poshness n.

Etymology

20th c.: perh. f. sl. posh a dandy: port out starboard home (referring to the more comfortable accommodation on ships to and from the East) is a later association and not the true origin

THESAURUS

posh

Babylonian, Corinthian, a la mode, awe-inspiring, awful, barbaric, braw, chic, classy, clothes-conscious, cosmopolitan, dapper, dashing, deluxe, dressed to advantage, dressed to kill, elaborate, elegant, exclusive, exquisite, extravagant, fancy, fashionable, fine, genteel, glorious, grand, grandiose, imposing, impressive, jaunty, lavish, luxurious, luxury, magnificent, majestic, modish, natty, neat, nifty, nobby, noble, opulent, palatial, plush, princely, proud, recherche, regal, rich, ritzy, royal, sharp, sleek, smart, smug, snazzy, soigne, soignee, sophisticated, spiffy, splendacious, splendid, splendiferous, spruce, stately, style-conscious, sumptuous, superb, superfancy, superfine, swank, swanky, swell, tony, trendy, tricksy, trig, trim, well-dressed, well-groomed