[which is which] {n. phr.} Which is one person or thing […]

[whipping boy] {n. phr.} The person who gets punished for someone […]

[white elephant] {n. phr.} Unwanted property, such as real estate, that […]

[white lie] {n. phr.} An innocent social excuse. * /I am […]

[white-collar workers] {n. phr.} Workers employed in offices and at desks […]

[wild goose chase] {n. phr.} An absurd and completely futile errand. […]

[window dressing] {n. phr.} An elaborate exterior, sometimes designed to conceal […]

[wise guy] {n. phr.}, {informal} A person who acts as if […]

[witch-hunt] {n. phr.} A hysterical movement during which people are persecuted […]

[wolf in sheep's clothing] {n. phr.} A person who pretends to […]