verb (used with object)
verb (used without object)
SYNONYMS FOR lengthen
Related formslength·en·er, nounout·length·en, verb (used with object)un·length·ened, adjective
Examples from the Web for lengthen
Of course, there's the question of whether we could lengthen maturities as much as we'd like.
Here are 10 ways you can preserve or lengthen your telomeres.
Having observed them for some time I perceived some to lengthen and change their form.Buffon's Natural History, Volume III (of 10)|Georges Louis Leclerc, Comte de Buffon
On the other hand, a falling of the balls will lengthen the cut-off through the same mechanism.Steam Engines|Anonymous
The body continues to lengthen, accounting for the increase in total length of the adult (see table 1).Speciation and Evolution of the Pygmy Mice, Genus Baiomys|Robert L. Packard
Or could he have secured the same result by moving his finger up and down the string to lengthen or shorten it?Common Science|Carleton W. Washburne
The Fates refuse to lengthen Admetos' life, unless some one love him well enough to die for him.The Poetry Of Robert Browning|Stopford A. Brooke