made extremely emotional or enthusiastic.

You couldn't help being swept away by the beauty of the place.

• a wild-goose chase
• a wise guy
• a wish list
• a witch-hunt
• a wolf in sheep's clothing
• a wolf whistle
• a woman after own heart
• a woman after your own heart
• a woman of means
• a woman of the world
• a word to the wise.
• a word to the wise is sufficient.
• a world of difference
• a worm's eye view
• a yes man
• a zero-sum game
• babe in the woods
• baby blues
• baby boomer
• back and forth
• back away
• back away from
• back away from something
• back-door
• back down