W
- wait for
- wait on
- wake up
- wake up and smell the coffee
- walk a mile in someone's shoes
- walk away
- walk of life
- walk off
- walk on eggshells
- walk out
- walk through
- ward off
- warm up
- wash out
- wash up
- waste away
- watch one's mouth
- watch out
- watch over
- water down
- water under the bridge
- wean off
- wear down
- wear off
- wear one's heart on one's sleeve
- wear out
- wear out one's welcome
- wear the trousers
- weather the storm
- weed out
- weigh down
- weigh in
- weigh on
- weight of the world
- well and truly
- well done
- well-oiled machine
- well up
- wet behind the ears
- wet blanket
- what's cooking
- what's going on
- what's in it for me
- what's new
- what's the matter
- what's up
- what are the odds
- what can I say
- what do you say
- what for
- what is more
- what with
- whatever floats your boat
- whatever it takes
- when all is said and done
- when it comes to
- when pigs fly
- when push comes to shove
- when the chips are down
- whether or not
- which way the wind is blowing
- whip out
- whip up
- white lie
- white trash
- who's who
- wide berth
- wild-goose chase
- win over
- wind down
- wind up
- wipe out
- wishful thinking
- with a grain of salt
- with all due respect
- with bated breath
- with flying colors
- with pleasure
- with regard to
- with respect to
- with the exception of
- within an inch of one's life
- within one's means
- within one's rights
- within reach
- without a doubt
- without a hitch
- without doubt
- without exception
- without fail
- without further ado
- without prejudice
- without question
- wolf down
- wolf in sheep's clothing
- word of mouth
- word on the street
- word to the wise
- work of art
- work out
- work up
- worked up
- worn out
- worse for wear
- worst comes to worst
- worth one's salt
- wrap up
- write down
- write off
- write out
- write up
- writing on the wall