Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: lengthening  leng-thu-ning
  1. The act of prolonging something
    "there was an indefinite lengthening of the peace talks";
    - prolongation, protraction, perpetuation
Verb: lengthen  lengk-thun
  1. Make longer
    "Lengthen this skirt, please"
  2. Become long or longer
    "In Spring, the days lengthen"

Type of: continuance, continuation, grow, increase

Antonym: shorten