Synonyms for Toss up:

• n.

  •chance (noun)
  • doom,
  • hap,
  • turn of the cards,
  • contingency,
  • luck out,
  • destiny,
  • providence,
  • happening,
  • bad luck,
  • way the cookie crumbles,
  • break,
  • casualty,
  • odds,
  • Wheel of fortune,
  • even chance,
  • occurrence,
  • fortune,
  • outcome,
  • fortuity,
  • adventure,
  • heads or tails,
  • HIT,
  • haphazard,
  • coincidence,
  • toss-up,
  • accident,
  • stroke of luck,
  • destination,
  • peril,
  • fluke,
  • advantage,
  • good luck,
  • lucky break,
  • misfortune,
  • cast,
  • lot,
  • future,
  • peradventure,
  • kismet,
  • in the cards.
  •eventuality (noun)
  • event,
  • case,
  • goings-on,
  • result,
  • effect,
  • probability,
  • sequel,
  • go-down,
  • likelihood,
  • upshot,
  • possibility,
  • issue,
  • aftereffect,
  • aftermath,
  • consequence,
  • any case.
  •gamble (noun)
  • leap,
  • uncertainty,
  • shot in the dark,
  • stab,
  • fling,
  • action,
  • bet,
  • raffle,
  • long shot.
  •hazard (noun)
  • lucky hit,
  • way the ball bounces,
  • dynamite,
  • risky business,
  • mishap,
  • go,
  • hundred-to-one.
  •likelihood (noun)
  • presumption,
  • trend,
  • liability,
  • prospect,
  • reasonableness,
  • likeliness,
  • good chance,
  • fighting chance,
  • strong possibility,
  • fifty-fifty,
  • even break,
  • coin flip,
  • shot at,
  • tendency,
  • direction,
  • fair shake,
  • plausibility.
  •luck (noun)
  • happenstance,
  • unforeseen event,
  • fate,
  • occasion.
  •odds (noun)
  • favor,
  • chances,
  • balance,
  • superiority.
  •possibility (noun)
  • incident,
  • hope,
  • potentiality,
  • prayer,
  • instance,
  • play,
  • attainableness,
  • achievability,
  • practicability,
  • workableness,
  • circumstance,
  • shot,
  • opportunity.
  •probability (noun)
  • feasibility,
  • snowball's chance,
  • anticipation,
  • promise,
  • credibility,
  • conceivability,
  • expectation.
  •sporting chance (noun)
  • gambler's chance,
  • toss of the coin,
  • hazard of the die,
  • betting proposition,
  • luck of the draw,
  • flip of the coin,
  • matter of chance,
  • good possibility.
  •standoff (noun)
  • level,
  • even game,
  • stalemate,
  • dead heat,
  • wash,
  • impasse,
  • drawn battle,
  • Mexican Standoff.
  •toss-up (noun)
  • draw,
  • deadlock,
  • tie.
  •wager (noun)
  • handle,
  • pot,
  • odds on,
  • parlay,
  • flyer,
  • challenge,
  • chunk,
  • hunch,
  • hedge.

• v.

  •bet (verb)
  • put money on,
  • buy in on,
  • play for.
  •chance (verb)
  • draw lots,
  • jeopardize,
  • have a fling at,
  • run the risk,
  • try,
  • attempt,
  • play with fire,
  • plunge,
  • skate on thin ice,
  • stake,
  • wildcat,
  • take shot in the dark,
  • tempt fate,
  • put it on the line,
  • cast lots,
  • go out on a limb,
  • roll the dice,
  • put eggs in one basket,
  • stick one's neck out.

• Other synonyms:

  •chance
  • wildcatted,
  • wildcatting,
  • go out on limb,
  • sticking one's neck out,
  • drawing lots,
  • put on the line,
  • Jeopardized,
  • stick neck out,
  • playing with fire.

Antonyms for Toss up:

• n.

  • chance
    reality, surety, assurance, safety, law, disadvantage, loss.
  • eventuality
    commencement, unlikelihood, origin, beginning, source, cause, start, improbability.
  • gamble
    insurance, guard, sureness, certainty, safeguard, protection.
  • hazard
    fact, determination, proof.
  • luck
    misfortune, bad fortune.
  • possibility
    impossible, impossibility, unfeasibility.
  • standoff
    agreement, breakthrough.

• v.

  • bet
    displace, remove.
  • chance
    design, aim, understand, abstain, scheme, plan.