verifiable UK /vɛɹ.ɪˈfaɪ.ə.bəl/US /ˌvɛɹ.əˈfaɪ.ə.bəl/adjective 2noun 1forms 3 adjective2 •Able to be verified or confirmed.Do you have verifiable evidence to support that claim? •Able to be qualified by a Boolean expression. noun1 •A statement or observation that can be verified. formsverifiables · more verifiable · most verifiable