hang up (v.)
- adjourn
- bind
- block
- blockade
- bottleneck
- buzz
- call
- catch
- continue
- curtain
- decelerate
- defer
- delay
- detain
- dial
- explode
- extend
- fizzle
- halt
- hang
- hazard
- hitch
- hurdle
- jam
- lag
- mire
- misfire
- pause
- phone
- pigeonhole
- postpone
- prolong
- prorogue
- protract
- recess
- reprieve
- reserve
- respite
- retard
- ring
- rub
- shelve
- slacken
- sling
- snag
- stay
- stop
- suspend
- table
- telephone
- tic
- wait
- waive