| anneal(verb, close, set, fix, firm) |
| bear the brunt of(verb, expression, idiom, keep, overcome) |
| bear up against(verb, expression, idiom, keep, overcome) |
| become toughened(verb, expression, keep, overcome, endure) |
| blunt(verb, dull, develop, rough, adjust) |
| break |
| brutalize(verb, dull, develop, rough, adjust) |
| callous(verb, dull, close, set, develop) |
| callus(verb, dull, develop, rough, adjust) |
| case-harden(verb, dull, develop, rough, adjust) |
| case harden |
| coarsen(verb, dull, develop, rough, adjust) |
| come around(verb, expression, change, fit, alter) |
| come through(verb, expression, keep, overcome, endure) |
| comply(verb, change, fit, alter, shape) |
| deaden(verb, dull, develop, rough, adjust) |
| develop(verb, dull, rough, adjust, strengthen) |
| discipline(verb, dull, develop, rough, prepare) |
| domesticate |
| domesticize |