Synonym: At, astatine, atomic number 85. Similar words: Et, Gt, a, ad, ah, art, as, bat. Meaning: [æt; unbetont ət] 
n. 1. a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium 2. 100 at equal 1 kip in Laos.
n. 1. a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium 2. 100 at equal 1 kip in Laos. 1. Better deny at once than promise long. 
2. He that will thrive must rise at five.
3. Fish begins to stink at the head.
4. Honest men marry soon, wise men not at all.
5. At open doors dogs come in.
6. An oak is not felled at one stroke.
7. It is good to learn at another man’s cost.
8. Friends agree best at a distance.
9. No one wise at all times.
10. He that doth most at once doth least.
11. Marry in haste, and repent at leisure.
12. A little of everything, nothing at all.
13. A cat may look at a king.
14. When you are at Rome, do as Rome does.
15. All is not at hand that helps.
16. A drowning man will catch at a straw.
17. Every dog is a lion at home.
18. Opportunity never knocks twice at any man's door.
19. Better spare at brim than at bottom.
20. No man is wise at all times.
21. At night(sentencedict.com), all cats are grey.
22. No man can do two things at once.
23. Love not at the first look.
24. No man ever became thoroughly bad all at once.
25. Every dog is valiant at his won door.
26. Laugh at your ills,[sentence dictionary] And save doctors' bills.
27. A fool at forty is a fool indeed.
28. No man ever became thoroughly bad at once.
29. Dirty linen should be washed at home.
30. They that live longest must die at last.