verb (used with object), re·val·ued, re·val·u·ing. to revise or reestimate the value of: efforts to revalue the dollar. to value again. verb to adjust the exchange value of (a currency), esp upwardsCompare devalue (tr) to make a fresh valuation or appraisal of v.1590s, from re- + value (v.). Related: Revalued; revaluing.