exigency (n.)
- climacteric
- clutch
- compulsion
- constraint
- contingency
- crisis
- crossroads
- crunch
- drive
- emergency
- extremity
- hinge
- immediacy
- imperative
- imperativeness
- importunity
- impulse
- impulsion
- insistence
- pass
- persistence
- pertinacity
- pinch
- predicament
- press
- pressure
- push
- rub
- strait
- stress
- tension
- turn
- turning
- urge
- urgency