Similar words: knobby, snobbery, knobbly, bobbed, cobbed, nobby, nobble, snobby. Meaning: [nɑb /nɒb] 
adj. used of old persons or old trees; covered with knobs or knots.
adj. used of old persons or old trees; covered with knobs or knots. 
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1. Turn/Twiddle the little knob to adjust the volume.
2. She twirled the knob of the door.
3. Turn the door knob to open the door.
4. He twiddled a knob on the dashboard.
5. He turned the knob and pushed against the door.
6. Adjust the control knobs by pressing lightly.
7. We have replaced the knobs on all the doors.
8. Give the knob a turn.
9. He thought the door was locked, but he turned the knob and the door opened.
10. With his left hand he groped for the knob, turned it[sentencedict.com], and pulled the door open.
11. The knob broke off in her hand.
12. The cutters are opened by turning the knob anticlockwise.
13. The knob is only held on by sticky tape.
14. This knob is only held on by sellotape.
15. She turned the door knob and quietly opened the door.
15. Wish you can benefit from our online sentence dictionary and make progress day by day!
16. I've tried twiddling the knobs, but nothing seems to happen.
17. To get out of the 'auto' mode on the camera, turn the knob to 'M'.
18. He twiddled with the radio knob until he found the right programme.
19. He twisted the knob of the door and went inside.
20. One full revolution of the knob will open the hatch.
21. Any of various insects of the order Lepidoptera, characteristically having slender bodies, knobbed antennae, and four broad, usually colorful wings.