N. chance, lot, fate, luck, good luck, mascot, speculation, venture, stake, game of chance, mere shot, random shot, blind bargain, leap in the dark, pig in a poke, fluke, potluck, faro bank, flyer*, limit, uncertainty, uncertainty principle, heisenberg's uncertainty principle, drawing lots, sortilegy, sortition|, sortes, sortes virgilianae, rouge et noir, hazard, ante, chuck-a-luck, crack-loo, craps, faro, roulette, pitch and toss, chuck, farthing, cup tossing, heads or tails cross and pile, poker-dice, wager, bet, betting, gambling, the turf, gaming house, gambling house, betting house, bucket shop, gambling joint, totalizator, totalizer, hell, betting ring, dice, dice box, gambler, gamester, man of the turf, adventurer, dicer|

V. chance, stand a chance, toss up, cast lots, draw lots, leave to chance, trust to chance, leave to the chapter of accidents, trust to the chapter of accidents, tempt fortune, chance it, take one's chance, take a shot at it (attempt) 675, run the risk, run the chance, incur the risk, incur the chance, encounter the risk, encounter the chance, stand the hazard of the die, speculate, try one's luck, set on a cast, raffle, put into a lottery, buy a pig in a poke, shuffle the cards, risk, venture, hazard, stake, ante, lay, lay a wager, make a bet, wager, bet, gamble, game, play for, play at chuck farthing

Adj. fortuitous, unintentional, unintended, accidental, not meant, undesigned, purposed, unpremeditated, unforeseen, uncontemplated, never thought of, random, indiscriminate, promiscuous, undirected, aimless, driftless, designless, purposeless, causeless, without purpose, possible, unforeseeable, unpredictable, chancy, risky, speculative, dicey

Adv. randomly, by chance, fortuitously, unpredictably, unforeseeably, casually, unintentionally, unwittingly, en passant, by the way, incidentally, as it may happen, at random, at a venture, at haphazard

Phr. acierta errando, dextro tempore, "fearful concatenation of circumstances", "fortuitous combination of circumstances", le jeu est le fils d'avarice et le pere du desespoir, "the happy combination of fortuitous circumstances", "the fortuitous or casual concourse of atoms", "god does not play dice with the universe"

N. rashness, temerity, want of caution, imprudence, indiscretion, overconfidence, presumption, audacity, precipitancy, precipitation, impetuosity, levity, foolhardihood, foolhardiness, heedlessness, thoughtlessness, carelessness, desperation, quixotism, knight-errantry, fire eating, gaming, gambling, blind bargain, leap in the dark, leap of faith, fool's paradise, too many eggs in one basket, desperado, rashling, madcap, daredevil, hotspur, fire eater, bully, bravo, hector, scapegrace, enfant perdu, don quixote, knight- errant, icarus, adventurer, gambler, gamester, dynamitard, boomer

V. be rash, stick at nothing, play a desperate game, run into danger, play with fire, play with edge tools, carry too much sail, sail too near the wind, ride at single anchor, go out of one's depth, take a leap in the dark, buy a pig in a poke, donner tete baissee, knock, one's bead against a wall, rush on destruction, kick against the pricks, tempt providence, go on a forlorn hope, go on a fool's errand, reckon one's chickens before they are hatched, count one's chickens before they are hatched, reckon without one's host, catch at straws, trust to a broken reed, lean on a broken reed

Adj. rash, incautious, indiscreet, imprudent, improvident, temerarious, uncalculating, heedless, careless, without ballast, heels over head, head over heels, giddy, wanton, reckless, wild, madcap, desperate, devil-may-care, hot-blooded, hotheaded, hotbrained, headlong, headstrong, breakneck, foolhardy, harebrained, precipitate, impulsive, overconfident, overweening, venturesome, venturous, adventurous, quixotic, fire eating, cavalier, janty, jaunty, free and easy, off one's guard

Adv. post haste, a corps perdu, hand over head, tete baissee, headforemost, happen what may, come what may

Phr. neck or nothing, the devil being in one, non semper temeritas est felix, paucis temeritas est bono multis malo