ISEE/SSAT Vocabulary BuilderWordsSspontaneous
ISEE/SSATmedium
spontaneous
Meaning: done or occurring without planning, on impulse
spontaneous in a sentence
How spontaneous is used in real sentences:
Their spontaneous road trip turned into one of the best weekends of the summer.
Halfway through rehearsal, the drummer spontaneously changed the song's rhythm, and the rest of the band had to catch up.
“Later, vivacious flocks of sandpipers darted and called with animated energy, and their spontaneous turns seemed choreographed despite occurring without any plan.”
— from the passage When the Water Returned
Synonyms for spontaneous
Other words for spontaneous — impulsive, unplanned and instinctive — carry the same meaning.
- impulsive
- unplanned
- instinctive
Antonyms of spontaneous
Words that mean the opposite of spontaneous:
- planned
- deliberate
- calculated
Where it comes from
From Latin sponte 'of one's own accord'
Memory hook
SPONTANEOUS sounds like 'spawn-tane-us' — something that just spawns instantly.
Practice spontaneous in the app