· become hard or harder; "The wax hardened"
Synonym(s): indurate
Hypernym(s): change
Antonym(s): soften
· make hard or harder; "The cold hardened the butter"
Synonym(s): indurate
Hypernym(s): change
Antonym(s): soften
· harden by reheating and cooling in oil; "temper steel"
Synonym(s): temper
Hypernym(s): modify
· make fit; "This trip will season even the hardiest traveller"
Synonym(s): season
Hypernym(s): toughen
· cause to accept or become hardened to; habituate; "He was inured to the cold"
Hypernym(s): habituate, accustom
· used of persons; emotionally hardened; "faced a case-hardened judge"
Synonym(s): case-hardened, hard-boiled
· made hard or flexible or resilient especially by heat treatment; "a sword of tempered steel"; "tempered glass"
Synonym(s): tempered, treated, toughened
· protected against attack (especially by nuclear weapons); "hardened missile silos"
Antonym(s): soft
· made tough by habitual exposure; "hardened fishermen"; "a peasant, dark, lean-faced, wind-inured"- Robert Lynd; "our successors...may be graver, more inured and equable men"- V.S.Pritchett
· converted to solid form (as concrete)
Synonym(s): set