toughen
Word parts change
Pronunciation change
Verb change
Plain form |
Third-person singular |
Past tense |
Past participle |
Present participle |
- (transitive) If you toughen something, you make it tough.
- Synonym: strengthen
- Antonym: weaken
- (intransitive) If something toughens, it becomes tough.
- Synonym: strengthen
- Antonym: weaken