Another word for failure
An unsuccessful attempt
fiasco, misadventure, nonperformance, abortion, bankruptcy, insolvency, nonsuccess, miscarriage, labor in vain, botch, bungle, frustration, misstep, false step, faux pas, breakdown, malfunction, checkmate, stoppage, collapse, rupture, defeat, rout, overthrow, downfall, implosion, breakdown in communication, total loss, crash, stalemate, negligence, omission, dereliction, no go*, flop*, turkey*, clinker*, loser*, bust*, dud*, washout*, dog*, bomb*, bummer*, lead balloon*, lemon*, flash in the pan*, slip 'twixt the cup and the lip*, losing game*, sinking ship*, sleeveless errand*, louse-up*, mess*, fizzle*, non-starter*.
An unsuccessful person
incompetent, defaulter, nonperformer, underachiever, ne'er-do-well, scapegrace, prodigal, bankrupt, derelict, castaway, beachcomber, ski bum, loser*, flunker*, born loser*, turkey*, dead duck*, has-been*, also-ran*, lemon*, flop*, bum*, no-account*, dud*, schlemiel*.
Another word for failurenoun
The condition of not achieving the desired end:unsuccess, unsuccessfulness. See thrive
One that fails completely:bust, fiasco, loser, washout. (Informal) dud, flop, lemon. (Slang) bomb. See thrive
A cessation of proper mechanical functions:breakdown, outage. See thrive
Nonperformance of what ought to be done:default, delinquency, dereliction, neglect, omission. (Law) nonfeasance. See do
A marked loss of strength or effectiveness:declination, decline, deterioration. See increase
The condition of being financially insolvent:bankruptcy, bust, insolvency. See money