1. to be hit; to strike

2. to touch; to be in contact; to be affixed

3. to be equivalent to; to be applicable; to apply to (often as ...に当たる)

4. to be right on the money (of a prediction, criticism, etc.)

5. to be selected (in a lottery, etc.); to win

6. to be successful; to go well; to be a hit

7. to face; to confront

8. to lie (in the direction of)

9. to undertake; to be assigned

10. to be stricken (by food poisoning, heat, etc.); to be afflicted

11. to be called on (e.g. by a teacher)

12. to treat (esp. harshly); to lash out at

13. to be unnecessary (as 〜するには当たらない, etc.)

14. to be hitting well; to be on a hitting streak (usu. as 当たっている)

15. to feel a bite (in fishing)

16. (of fruit, etc.) to be bruised; to spoil

17. to feel (something) out; to probe into; to check (i.e. by comparison)

18. to shave

19. to be a relative of a person; to be a ... in relation to ...; to stand in a relationship (as 〜の〜に当たる)