constantwatch

noun
UK /ˈkɒnstənt wɒtʃ/
US /ˈkɑːnstənt wɑːtʃ/

A constantwatch is when someone keeps looking after something all the time without stopping.

The lifeguard kept a constantwatch over the pool so everyone stayed safe.


OTHER MEANINGS

2. A continuous period of staying awake to guard or protect something.

The night nurse kept a constantwatch by the patient's bed.

3. A device or system that checks something nonstop for problems.

The constantwatch alarm beeps if the freezer gets too warm.

4. The act of paying close, unbroken attention to a person or place.

The teacher kept a constantwatch on the new student during the field trip.