verb (used with object), de·plored, de·plor·ing.
- depletion layer,
- depletion region,
Origin of deplore
Word Origin for deplore
1550s, "to give up as hopeless," from French déplorer (13c.), from Latin deplorare "deplore, bewail, lament, give up for lost," from de- "entirely" (see de-) + plorare "weep, cry out." Meaning "to regret deeply" is from 1560s. Related: Deplored; deploring.