all for (something)

strongly approving of something.

Americans are usually all for freedom of speech.

Usage notes: often used in the form I'm all for it:

If the new law will keep guns out of the hands of kids, I'm all for it.

Related vocabulary: in favor of something

• above and beyond the call of duty
• above suspicion
• above the fray
• above the law
• a brain box
• a brain drain
• a brain trust
• a breath of fresh air
• a bright spark
• a bright spot
• a broad church
• a Bronx cheer
• Absence makes the heart grow fonder.
• a bucks party
• a bully pulpit
• a bumpy ride
• a bum rap
• a bum steer
• a bundle of joy
• a busman's holiday
• a buzz word
• a call girl
• a calling card
• a camp follower
• a can of worms