LENGTHEN
lengthen
(verb) become long or longer; āIn Spring, the days lengthenā
lengthen
(verb) make longer; āLengthen this skirt, pleaseā
Source: WordNet® 3.1
Etymology
Verb
lengthen (third-person singular simple present lengthens, present participle lengthening, simple past and past participle lengthened)
(transitive) To make longer, to extend the length of.
(intransitive) To become longer.
Antonyms
• shorten
Source: Wiktionary
Length"en, v. t. [imp. & p. p. Lengthenel; p. pr. & vb. n.
Lengthening.]
Definition: 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, v. i.
Definition: To become longer. Locke.
Source: Webster’s Unabridged Dictionary 1913 Edition