Definition: 1. A specially shaped piece of metal used for locking a door, starting a car, etc. 2. Something crucial for explaining. 3. Any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music. 4. A thing that makes you able to understand or achieve something.
Use 'key' in a sentence:
1. I'll give you a key so that you can let yourself in.
2. I saw you put the key in your pocket.
3. Use the arrow keys to scroll the list of files.
4. He let himself in with a duplicate key.
5. Typically, she couldn't find her keys.
6. The wedding will be a very low-key affair.
7. Housing is a key driver of the economy.
8. 'Caution' is the key word in this situation.
9. He fumbled the key into the ignition.
10. I can't think where I put the keys.
11. They put the key in the door and entered.
12. Drat! I forgot my key.
13. They zeroed in on the key issues.
14. She listened for his key in the latch.
15. The key to success is preparation.
16. Confidence is the key to success.
17. His contribution could be key.
18. Teamwork is a key feature of the training programme.
19. She turned the key in the lock.
20. He turned the key in the lock.
21. The key has stuck in the lock.
22. Leave the key in the lock.
23. She rammed the key into the lock.
24. He was a key figure in the campaign.
25. She got the key stuck in the lock.
26. Wait a minute—this isn't the right key.
27. The key is hanging on a string by the door.
28. Speed is key at this point.
29. He could have taken a spare key.
30. I've lost my key and I haven't got a spare.
31. Give me the boot key and I'll get the spare.
32. The key doesn't fit the lock.
33. She turned the key and the lid sprang open.
34. Cost was a key element in our decision.
35. The key question of what caused the leak remains unanswered.
36. Let yourself out and post the keys through the letter box.
37. The classes are keyed to the needs of advanced students.
38. This key toggles various views of the data.
39. The key is, how long can the federal government control the inflation rate?
40. Press these two keys to switch between documents on screen.
41. To exit from this page, press the return key.
42. Press the return key to enter the information.
43. The need to communicate is a key characteristic of human society.
44. Their wedding was a very low-key affair.
45. The president appears likely to change course on some key issues.
46. The driver of the car probably holds the key to solving the crime.
47. These units played a key functional role in the military operation.
