spontanément bedeutet auf Englisch

spontaneously▼◼◼◼(in a spontaneous manner)
adverb
[UK: spɒn.ˈteɪ.nɪə.sli] [US: spanˈteɪ.niə.sli]It occurred to me spontaneously. = Cela me vint spontanément à l'esprit.

offhand▼◼◻◻(without planning or thinking ahead)
adjective
[UK: ˌɒf.ˈhænd] [US: ˈɒf.ˈhænd]