Overview of verb toughen
The verb toughen has 1 sense
- toughen -- (make tough or tougher; "This experience will toughen her")
Overview of adj toughened
The adj toughened has 2 senses
- tough, toughened -- (physically toughened; "the tough bottoms of his feet")
- tempered, treated, hardened, toughened -- (made hard or flexible or resilient especially by heat treatment; "a sword of tempered steel"; "tempered glass")
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