possibility UK /ˌpɒs.ɪˈbɪl.ɪ.ti/US /ˌpɑ.səˈbɪl.ə.ti/ noun4 •real chance, however small, for something to happen or to be true'There is little possibility of that happening' 'I'd say there's rather a strongish possibility that it won't.' •A thing possible; that which may take place or come into being. •An option or choice, usually used in context with future events.Mycelial lives are so other, their possibilities so strange. — 2020 •(no longer used) Capability, power or capacity to act.VVere Iacke Strawe a liue againe, And I in as good possibility as euer I was, I would lay a surer trumpe, Ere I would lose so faire a tricke. — 1593 formspossibilities