- ace
- He's an ace reporter. (very good )
- action
- Do you know where the action is in this town? (excitement)
- airhead
- My sister's boyfriend is a real airhead. (stupid person)
- all wet
- Your ideas about politics are all wet. (completely wrong)
- all-nighter
- I almost fell asleep during the test after an all-nighter . (after studying all night)
- ammo
- The gun was useless after the killer ran out of ammo. (ammunition)
- antifreeze
- I really need some antifreeze in me on cold days like this. (liquor)
- armpit
- This town is really an armpit. (undesirable place)
- awesome
- What an awesome sunset. (great)
