| Word | Definitions | Synonyms |
|---|---|---|
| roughen | (verb) make rough or rougher | - |
| roughened | (adjective) used of skin roughened as a result of cold or exposure | Synonyms: chapped, cracked |
| toughen | (verb) make tough or tougher | - |
| toughened | (adjective) physically toughened | Synonyms: tough |
| (adjective) made hard or flexible or resilient especially by heat treatment | Synonyms: hardened, tempered, treated | |
| untoughened | (adjective) physically untoughened | Synonyms: tender |