clinch
verb /klɪntʃ/
  /klɪntʃ/
 (informal)Verb Forms
| present simple I / you / we / they clinch |    /klɪntʃ/   /klɪntʃ/  | 
| he / she / it clinches |    /ˈklɪntʃɪz/   /ˈklɪntʃɪz/  | 
| past simple clinched |    /klɪntʃt/   /klɪntʃt/  | 
| past participle clinched |    /klɪntʃt/   /klɪntʃt/  | 
| -ing form clinching |    /ˈklɪntʃɪŋ/   /ˈklɪntʃɪŋ/  | 
- clinch something to succeed in achieving or winning something
- to clinch an argument/a deal/a victory
 - They clinched a place in the semi-finals.
 
 - to provide the answer to something; to settle something that was not certain
- clinch something These findings clinched the matter.
 - clinch it ‘I'll pay your airfare.’ ‘OK, that clinches it—I'll come with you.’
 - a clinching argument
 
 
Word Originlate 16th cent. (in the senses ‘something that grips’ and ‘fix securely’): variant of clench.