spontan
Translation
spontaneous, impromptu, unplanned
Examples
Wir machten einen spontanen Ausflug.
We went on a spontaneous trip.
Ihre Reaktion war völlig spontan.
Her reaction was completely spontaneous.
Er hat sich spontan entschieden zu helfen.
He spontaneously decided to help.
Grammar Patterns
as an adjective before a noun eine spontane Idee
as an adverb modifying a verb Er hat spontan gehandelt.
Similar Words
Synonyms: impulsiv, ungeplant; Antonyms: geplant, überlegt
Etymology
From Latin 'sponte' meaning 'of one's own accord'. It shares the same root as the English word 'spontaneous'.
Memory Tips
It's a direct cognate of 'spontaneous', so if you know the English word, you know the German one.