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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121. The boxer fouled his opponent by hitting him below the belt.
122. For your safety, we recommend you keep your seat belt loosely fastened during the flight.
123. I'll have you know I'm a black belt in judo.
124. You were lucky she did not belt you in the mouth when you said that.
125. You should not have used what you know of his past against him — that was below the belt.
126. Philippe was in uniform, wearing a pistol holster on his belt.
127. The damp bricks went along a conveyor belt into another shed to dry.
128. Belt up, will you?
129. A door slammed in the house and a man came out buckling his belt.
130. Seven-year-old Ian is proud to have earned his red belt in karate.
131. He had eaten so much that he had to undo his belt a couple of notches.
132. My shirt will hike up if I don't wear a belt.
133. Standing up, he unbuckled his belt, and spread it laden across his waist.
134. To avoid the city centre, we may turn right here and take the belt highway.
135. Do you think it's a bit below the belt what they're doing?
136. The captain switched on the seat belt sign as we neared the airport.
137. Basic computer skills are a good thing to have under your belt.
138. Another survivor of seat belt neglect.
139. Its president had a bleeper attached to her belt.
140. Hits us below the belt as often as not.
141. She has used a belt to do it.
142. Further down, he found a heavy money belt.
143. He had a wrench hanging from his belt loop.
143. Sentencedict.com try its best to collect and make good sentences.
144. The suspender belt was tight around her waist.
145. Some say the ads hit below the belt.
146. Taekwondo black belt: the gold bars distinguish rank.
147. Oh, belt up, would you?
148. Grover loosened his belt a notch.
149. Then he loosens Dixie's money belt.
150. He unbuckled his seat belt.