Sped vs. Speeded - What's the difference?

Wiktionary

  • Sped (verb)

    simple past tense and past participle of speed

  • Speeded (verb)

    simple past tense and past participle of speed

  • Speeded (adjective)

    Measured in terms of speed.

    "a speeded lexical decision task"

Webster Dictionary

  • Sped

    imp. & p. p. of Speed.

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