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July 9, 2026

spontaneous

/spɒnˈteɪnɪəs/adjective

Done on a sudden urge, without any prior planning.

Example sentences

  • “In a spontaneous gesture, he bought flowers for everyone in the office.”
  • “Our spontaneous road trip turned into the best weekend of the summer.”

Approving where 'impulsive' is often critical. A spontaneous person is fun; an impulsive one makes bad decisions.

Related words