Antonyms for loosening

Antonyms of noun loosening

1 of 2 senses of loosening

Sense 2:

loosening, laxation
Antonym of tightening (Sense 1)
=>tightening

Antonyms of verb loosen

2 of 7 senses of loosen

Sense 1:

loosen, loose
Antonym of stiffen (Sense 2)
=>stiffen

Sense 7:

loosen, relax, loose
Antonym of stiffen (Sense 1)
=>stiffen