Synonym: clasp, clip, fasten, hook. Similar words: pink, spin, pine, spine, damping, dipping, chopping, developing. Meaning: [pɪn] 
n. 1. a piece of jewelry that is pinned onto the wearer's garment 2. when a wrestler's shoulders are forced to the mat 3. small markers inserted into a surface to mark scores or define locations etc. 4. a number you choose and use to gain access to various accounts 5. informal terms of the leg 6. axis consisting of a short shaft that supports something that turns 7. cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown 8. flagpole used to mark the position of the hole on a golf green 9. a small slender (often pointed) piece of wood or metal used to support or fasten or attach things 10. a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing 11. a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target. v. 1. to hold fast or prevent from moving 2. attach or fasten with pins 3. pierce with a pin 4. immobilize a piece.
n. 1. a piece of jewelry that is pinned onto the wearer's garment 2. when a wrestler's shoulders are forced to the mat 3. small markers inserted into a surface to mark scores or define locations etc. 4. a number you choose and use to gain access to various accounts 5. informal terms of the leg 6. axis consisting of a short shaft that supports something that turns 7. cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown 8. flagpole used to mark the position of the hole on a golf green 9. a small slender (often pointed) piece of wood or metal used to support or fasten or attach things 10. a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing 11. a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target. v. 1. to hold fast or prevent from moving 2. attach or fasten with pins 3. pierce with a pin 4. immobilize a piece. 
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61. The cause of the disease is difficult to pin down precisely.
62. I've tried asking Stephanie, but she's proving difficult to pin down to a particular date.
63. He simply stuck a pin in at random amongst the names of candidates.
64. The teachers usually pin up the best work on the board.
65. He may call me what names he wishes to use.I don't care a pin for his judgement.
66. If you pull the pin out of a hand-grenade, it'll explode.
67. I need the up-to-date sales figures but I can never pin him down at the office.
68. She helped her uncle out sometimes just to earn a bit of pin money.
69. He supports the group and wears its pin on his lapel.
70. The detective tried to pin the murder on the accused man.
71. I managed to pin him down to meeting us after work.
72. They managed to pin him down until the police arrived.
73. Doctors inserted a metal pin in his leg to hold the bones together.
74. No one would admit responsibility. They all tried to pin the blame on someone else.
75. I seem to recognize the quotation(Sentencedict), but I cannot pin it down to its author.
76. She earns a little pin money doing ironing for other people.
77. There's something wrong with this colour scheme but I can't quite pin it down.
78. He drove the ball within ten feet of the pin.
79. If we cannot pin down exactly what we are supposed to be managing, how can we manage it?
80. The teacher cannot pin down the essence of ancient poetry.
81. The difference between the two approaches is hard to pin down precisely.
82. She pinned the gown at the neck with a safety pin.
83. If you pin people down, they will tell you some puzzling things about stress.
84. Cut out all of the pieces from the paper pattern and pin them on the cloth.
85. We decided where to go for our holiday by closing our eyes and sticking a pin in the map.
86. The pin holds the bones in place while they knit together.
87. The walls of his dormitory room were covered with sexy pin - ups.
88. She pricked the balloon with a pin and it burst with a loud bang.
89. She kept her hat on her head with a long pin.
90. Well you could have heard a pin drop.
More similar words: pink, spin, pine, spine, damping, dipping, chopping, developing, keep in mind, keep in touch, developing countries.