possibility - definition, thesaurus and related words from WordNet-Online

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Noun possibility has 4 senses

possibility - a future prospect or potential; "this room has great possibilities"
--₁ is a kind of expectation, outlook, prospect
possibility, possibleness - capability of existing or happening or being true; "there is a possibility that his sense of smell has been impaired"
--₂ is a kind of being, beingness, existence
Antonyms: impossibility, impossibleness
--₂ has particulars:
conceivableness, conceivability; achievability, attainability, attainableness; potential, potentiality, potency; opportunity, chance
hypothesis, possibility, theory - a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
--₃ is a kind of concept, conception, construct
--₃ is a part of theory
--₃ has particulars:
model, theoretical account, framework; speculation, conjecture; assumption, supposition, supposal
possibility, possible action, opening - a possible alternative; "bankruptcy is always a possibility"
--₄ is a kind of option, alternative, choice
--₄ has particulars: possible