कड़ा कर meaning in English

stiffen [stiffened, stiffening, stiffens]▼verb
[UK: ˈstɪf.n̩] [US: ˈstɪf.n̩]

hardenability▼noun

tighten [tightened, tightening, tightens]▼verb
[UK: ˈtaɪt.n̩] [US: ˈtaɪt.n̩]

tighten up▼verb

toughen [toughened, toughening, toughens]▼verb
[UK: ˈtʌf.n̩] [US: ˈtʌf.n̩]

stiffening▼noun
[UK: ˈstɪf.n̩.ɪŋ] [US: ˈstɪf.n̩.ɪŋ]