Pronunciation change

Verb change

Plain form
speed

Third-person singular
speeds

Past tense
sped

Past participle
sped

Present participle
speeding

  1. The present participle of speed.

Adjective change

Positive
speeding

Comparative
none

Superlative
none

  1. If you are speeding, you are travelling at very fast, usually illegal, speed.
    We were overtaken on the inside by a speeding motorcyclist.