Synonym: blunder, botch, bungle, fumble, mess, spoil. Similar words: muffled, guff, cuff, scuff, snuff, stuff, bluff, ruffle. Meaning: [mʌf] 
n. 1. a warm tubular covering for the hands 2. (sports) dropping the ball. v. 1. fail to catch, as of a ball 2. make a mess of, destroy or ruin.
n. 1. a warm tubular covering for the hands 2. (sports) dropping the ball. v. 1. fail to catch, as of a ball 2. make a mess of, destroy or ruin. 
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1. She carried a little fur muff.
2. I sometimes stimulate myself under my muff.
3. A white fur muff, stuffed with tissue paper, was tied around the neck of the padded hanger.
4. They won't muff their lines or fall short in a crisis.
5. She took off her muff and laid it down on the rough table made of planks and bricks.
6. He made a muff of the business.
7. Their press manager Muff had an assistant called Duff.
8. So it's the same with Muff Potter[Sentence dictionary], of course.
9. One of'em's old Muff Potter's voice. "
10. Oh, it's colder, I left my muff at home.
11. He made a muff of himself.
12. Don't muff your chance to earn a promotion.
13. Now all were kind to Muff Potter , forgetting that they had not been kind before.
14. The major failure causes included puncture muff, severe vasovagal reactions, the absence of a distinct trigger zone and incomplete analgesia after the procaine test.
15. It was within three feet of Muff Potter when it done it.
16. " If anybody tells, let Muff Potter do it, if he's fool enough.
17. She'd take Aunt Pitty's little seal muff and hide her bare hands in it.
18. He said that he had Muff Potter washing his hands in a stream.
19. Hela first ,(sentencedict.com) then Manya threw down muff and satchel and began excitedly choosing their own apples.
20. The transducer designed on a muff type is developed on the basis of magnetoelastic effect.
21. You'll probably only get one chance to take a photo, so don't muff it!
22. She held the lead in her gloved hands; behind her was Selene, with hers protected by a muff.
23. In the end, she and Bessie man-aged to make three of them into a muff and a little hat.
24. Mrs Kulass put on a ratty fur coat, a shabby felt hat, and put her hands inside an old muff.
25. It has a long snout, erect ears, a shiny brown coat, and a tail thick as a muff.
26. Surreptitiously, her hand hidden within the furry confines of her muff, Anne made the sign of the cross.
27. Edusha had dolled herself up and wore a fur collar and carried a muff.
28. But it was obvious that the dress, bonnet and muff found no favor with her.
29. They think nothing of laying out $5 for a wheatgrass muff, much less $500 for some alternative rejuvenation at the day-spa -but don't talk about raising their taxes.
30. The summer winds down , and it is time for the trial of Muff Potter.