toughened

Definitions of toughened

1. adjective

   physically toughened
   synonyms: tough

   rugged

   sturdy and strong in constitution or construction; enduring

   experienced, experient

   having experience; having knowledge or skill from observation or participation

   strong

   having strength or power greater than average or expected

   callous, calloused, callused, thickened

   having calluses; having skin made tough and thick through wear

   enured, hardened, inured

   made tough by habitual exposure

   weather-beaten

   tanned and coarsened from being outdoors
2. adjective

   made hard or flexible or resilient especially by heat treatment
   synonyms: hardened, tempered, treated

   curable

   capable of being hardened by some additive or other agent

   sunbaked

   baked or hardened by exposure to sunlight; not burned