lengthening

/ˈlɛŋkθənɪŋ/
verb
  1. The act of making something longer in length or duration.
    • The company is lengthening the warranty period for its products.
    • The carpenter is lengthening the table to seat more guests.
    • She is lengthening her stay in Paris by another week.
Antonyms
noun
  1. The process or result of becoming longer.
    • The lengthening of the school year was debated by the board.
    • A gradual lengthening of the shadows occurred as the sun set.
    • The lengthening of the days in spring is always welcome.
adjective
  1. Becoming longer; increasing in length or duration.
    • We walked home in the lengthening twilight.
    • The lengthening queue outside the theater grew restless.
    • The lengthening list of tasks made her feel overwhelmed.