My watch has stopped.

Watch your health!

A watched kettle/pot never boils

He watched a farmer at work.

I watched the football match last night.

water under the bridge

to water down

Water is composed of two elements.

water for domestic use

Water freezes at zero degrees Celsius.

watering hole

to wave away

I waved the handkerchief.

I waved to her.

He waved at the waitress.

waverer

to wax and wane

way too small/big

way too many

by way of thanks for

way cool

Way to go!

My way of joking is to tell the truth. It’s the funniest joke in the world.

No way!

by way of comparison