speedful

词形变化

more speedful 比较级 most speedful 最高级

释义与例句

adj.
  1. 1.

    Successful, effectual, efficient.

    古体
  2. 2.

    Full of speed; hasty; fast.

词源

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

来源：wiktionary