Adorn unnecessarily (something that is already beautiful).

synonym: paint the lily.

Roget 641: superabound, overabound^†; know no bounds, swarm; meet one at every turn; creep with, crawl with, bristle with; overflow; run over, flow over, well over, brim over; run riot; overrun, overstock, overlay, overcharge, overdose, overfeed, overburden, overload, overdo, overwhelm, overshoot the mark etc. (go beyond) 303; surcharge, supersaturate, gorge, glut, load, drench, whelm, inundate, deluge, flood; drug, drug the market; hepatize^†.    choke, cloy, accloy^†, suffocate; pile up, lay on thick; impregnate with; lavish etc. (squander) 818.    send coals to Newcastle, carry coals to Newcastle, carry owls to Athens^†; teach one's grandmother to suck eggs; pisces natare docere [Lat.]; kill the slain, gild refined gold," gild the lily," butter one's bread on both sides, put butter upon bacon; employ a steam engine to crack a nut etc. (waste) 638.    exaggerate etc. 549; wallow in roll in etc. (plenty) 639; remain on one's hands, hang heavy on hand, go a begging.    ... show more

Make unnecessary additions to what is already complete.

synonym: paint the lily.