1. (verb) make tight or tighter

• fasten

2. (verb) restrict

• constrain
• stiffen
• tighten up

3. (verb) narrow or limit

• reduce

1. (verb) make tight or tighter

• alter
• change
• modify

2. (verb) become tight or tighter

• change

3. (verb) restrict

• bound
• confine
• limit
• restrain
• restrict
• throttle
• trammel

4. (verb) narrow or limit

• bound
• confine
• limit
• restrain
• restrict
• throttle
• trammel

1. (verb) make tight or tighter

• firm
• tauten
• frap
• screw
• wind
• wind up

2. (verb) become tight or tighter

• compact
• compress
• constrict
• contract
• press
• squeeze
• constrict
• constringe
• narrow
• firm
• tauten
• strain
• tense

1. (verb) make tight or tighter

• tightening