at or to a considerable extent downward; well within or beneath a surface.
to a thorough extent or profound degree: deeply pained; deeply committed.
with depth of color, tone, sound, etc.
with great cunning, skill, and subtlety.

Origin of deeply

before 900; Middle English deply, Old English dēoplīce, derivative of dēoplīc (adj.), equivalent to dēop deep + -līc(e) -ly

Synonyms for deeply Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deeply

Contemporary Examples of deeply

Historical Examples of deeply

Word Origin and History for deeply

Old English deoplice (see deep (adj.)), used in both literal and figurative senses.

Online Etymology Dictionary, © 2010 Douglas Harper