DICT.TW Dictionary Taiwan
3.129.39.85
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Tough·en v. i. & t. [imp. & p. p. Toughened p. pr. & vb. n. Toughening.] To grow or make tough, or tougher.
 ◄ ►

From: WordNet (r) 2.0

 toughened
      adj 1: physically toughened; "the tough bottoms of his feet" [syn:
             tough] [ant: tender]
      2: made hard or flexible or resilient especially by heat
         treatment; "a sword of tempered steel"; "tempered glass"
         [syn: tempered, treated, hardened] [ant: untempered]