adjective
urgent
UR-junt/ˈɜːrdʒənt/
Requiring immediate attention or action.
The active leak makes closing the shutoff valve an urgent task.

Etymology
An urgent matter is figuratively pressing: it pushes for action. The word's early use in “urgent causes,” meaning “pressing matters,” already expresses this demand for attention.
In context
what tasks needed my most urgent attention and to tackle this i used effectively a traffic light system so the red tasks were the ones that needed to be done straight away
More examples
- Please call me if the problem becomes urgent.
- The clinic treats urgent cases before routine appointments.
- Finding clean water is more urgent than repairing the road.
Forms
urgent · more urgent · most urgent
urgency noun — The need for immediate attention or action.
urgently adverb — In a way requiring immediate attention or action.