nonsentence

/ˌnɑnˈsɛntəns/
noun
  1. A group of words that does not form a complete grammatical sentence, often lacking a subject or verb.
    • The teacher asked the student to turn the nonsentence into a full sentence.
    • In poetry, writers sometimes use a nonsentence for effect.
    • "Running fast" is a nonsentence because it has no subject.
Antonyms
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