1. curb, curtail, cut back, restrict

place restrictions on

Example Sentences:
'curtail drinking in school'

• curb
• curtail
• cut back

2. restrict

place under restrictions; limit access to

Example Sentences:
'This substance is controlled'

3. bound, confine, limit, restrain, restrict, throttle, trammel

place limits on (extent or access)

Example Sentences:
'restrict the use of this parking lot'
'limit the time you can spend with your friends'

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

4. qualify, restrict

make more specific

Example Sentences:
'qualify these remarks'

• qualify