verb (used with or without object)
Related formsdeep·en·er, noundeep·en·ing·ly, adverbo·ver·deep·en, verb (used with object)un·deep·ened, adjective
Examples from the Web for deepen
Over time, old rivalries began to deepen, particularly over the spoils of corruption.
The votes of two other incumbents in close races only deepen the mystery.
But partitioning Andhra, far from healing old wounds, is likely only to deepen them.
India was founded to erase divisive identities, not to deepen them.
These sketches evolve into larger, more intense ink prints that deepen and fade with each additional attempt.
They may extend or deepen an old study, but they cannot attack a new one with the conquering spirit of youth.Human Intercourse|Philip Gilbert Hamerton
Even to deepen these shafts for several miles would be much less difficult than most people imagine.
But if he could deepen the roots of this comedy for Kingsley's benefit—and for the lady's—it was his duty so to do.Donovan Pasha And Some People Of Egypt, Complete|Gilbert Parker
In many cases it is not easy, or even possible, to deepen them.In Beaver World|Enos Abijah Mills
The six years at Harrodsburg served to strengthen and deepen her already-preconceived ideals.The Story of a Life|J. Breckenridge Ellis