Pronunciation (US) IPA (key): /ˈsɝkəmstænsɪz/ (UK) IPA (key): /ˈsɜːkəmst(ə)nsɪz/ or /ˈsɜːkəmstɑːnsɪz/ Audio (US)(file) Noun Singular circumstance Plural circumstances The plural form of circumstance; more than one (kind of) circumstance.Wikiwand - on Seamless Wikipedia browsing. On steroids.