speedful

English

Etymology

From Middle English speedful, spedeful, spedful (“successful, prosperous”), equivalent to speed +‎ -ful.

Adjective

speedful (comparative more speedful, superlative most speedful)

(archaic) Successful; prosperous.
(archaic) Effectual; efficient.
(nonstandard) Full of speed; hasty; fast.

Synonyms

See also Thesaurus:speedy

Antonyms

speedless

Derived terms

speedfulness

Related terms

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