Antonym: loosen, undo, untie. Similar words: melt, shelter, svelte, bell, below, label, rebel, be left. Meaning: [belt] 
n. 1. endless loop of flexible material between two rotating shafts or pulleys 2. a band to tie or buckle around the body (usually at the waist) 3. an elongated region where a specific condition is found 4. a vigorous blow 5. a path or strip (as cut by one course of mowing) 6. the act of hitting vigorously. v. 1. sing loudly and forcefully 2. deliver a blow to 3. fasten with a belt.
n. 1. endless loop of flexible material between two rotating shafts or pulleys 2. a band to tie or buckle around the body (usually at the waist) 3. an elongated region where a specific condition is found 4. a vigorous blow 5. a path or strip (as cut by one course of mowing) 6. the act of hitting vigorously. v. 1. sing loudly and forcefully 2. deliver a blow to 3. fasten with a belt. 
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91. The borrowed money was quilted in his belt.
92. He clipped his safety belt to a fitting on the deck.
93. The moving belt feeds the machine with raw material/feeds raw material into the machine.
94. I opened my coat and let him see the belt.
95. Miners in Zambia's northern copper belt have gone on strike.
96. I used a skewer to make an extra hole in my belt.
97. Belt up, I can't hear what your mother is saying!
98. The child seat belt was not properly anchored to the car.
99. I've had to tighten my belt since I stopped working full-time.
100. She already has a couple of good wins under her belt.
101. I wrote to them and telephoned as well - belt and braces, I admit.
102. With price increases on most goods, everyone is having to tighten their belt.
103. Father would give you a belt over the head with the scrubbing brush.
104. My trousers only stay up if I wear a belt.
105. Clare is now a full-time author with six books, including four novels, under her belt.
106. The child asked his papa to help him ease off his belt a bit.
107. The belt may make a squealing noise and throw off sooty black particles of rubber.
108. Wheels are in a machine driven by an endless belt.
109. Children must use an approved child restraint or adult seat belt.
110. The turning disc is connected by a drive belt to an electric motor.
111. Clearly, if you are spending more than your income[sentencedict.com], you'll need to tighten your belt.
112. After the huge meal he loosened his belt and went to sleep.
113. It took firemen two hours to cut through the drive belt to free him.
113. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.
114. You are required by law to wear a seat belt.
115. The tree belt around the fields acts as a windbreak.
116. He has to wear a belt to make his trousers stay up.
117. The judge gave Minna a slap on the wrist for not wearing her seat belt.
118. Fasten your seat belt.
119. This silver belt buckle is the only relic of the imprisoned soldiers that survives.
120. This dress is shaped at the waist and doesn't need a belt.