surprise (EN)
noun, verb, interjection

noun “surprise”

sg. surprise, pl. surprises or uncountable
  1. something unexpected
    Getting a dog was a surprise, but it was a pleasant one.
  2. the feeling of surprise
    Her surprise was evident when she unwrapped the gift to find a pair of concert tickets.

verb “surprise”

surprise; he surprises; past surprised, part. surprised; ger. surprising
  1. to perform an unexpected action that catches someone off guard
    For their anniversary, she surprised her husband with a weekend getaway to the mountains.

interjection “surprise”

surprise
  1. an exclamation used when revealing an unexpected event or action, often for celebratory purposes
    "Surprise!" I exclaimed as I unveiled the new car to my spouse.