lengthen Meaning, Definition & Usage

  1. verb make longer
    • Lengthen this skirt, please
  2. verb become long or longer
    • In Spring, the days lengthen

WordNet

Length"en transitive verb
Wordforms
imperfect & past participle Lengthenel ; present participle & verbal noun Lengthening
Definitions
  1. To extent in length; to make longer in extent or duration; as, to lengthen a line or a road; to lengthen life; -- sometimes followed by out.
    What if I please to lengthen out his date. Dryden.
Length"en intransitive verb
Definitions
  1. To become longer. Locke.

Webster 1913