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Want to find out what does the word speed mean? We gathered all the possible definitions of the word speed on our website. Our definition dictionary is updated all the time with new definitions and is ready to help you.


Part of speech: Noun

The act or state of moving rapidly; rate of motion, or velocity; swiftness; quickness.

Part of speech: Verb

To prosper; to make haste; move quickly; as, the bullet sped through the air.

Part of speech: Verb

To prosper; send away with good wishes; as, to speed the parting guest; to cause to move faster.

Part of speech: Past tense


Part of speech: Past participle


Usage examples "speed":