Synonym: copy, duplicate, fold, turn over, twofold. Antonym: belief, single, trust. Similar words: double up, double back, trouble, troubled, no doubt, without doubt, voluble, do up. Meaning: ['dʌbl] 
n. 1. a base hit on which the batter stops safely at second base 2. a stand-in for movie stars to perform dangerous stunts 3. someone who closely resembles a famous person (especially an actor) 4. a quantity that is twice as great as another 5. raising the stakes in a card game by a factor of 2. v. 1. increase twofold 2. hit a two-base hit 3. bend over or curl up, usually with laughter or pain 4. do double duty; serve two purposes or have two functions 5. bridge: make a demand for (a card or suit) 6. make or do or perform again. adj. 1. having more than one decidedly dissimilar aspects or qualities 2. consisting of or involving two parts or components usually in pairs 3. twice as great or many 4. used of flowers having more than the usual number of petals in crowded or overlapping arrangements 5. used of homologous chromosomes associated in pairs in synapsis 6. large enough for two 7. having two meanings with intent to deceive. adv. 1. downward and forward 2. two together 3. to double the degree.
n. 1. a base hit on which the batter stops safely at second base 2. a stand-in for movie stars to perform dangerous stunts 3. someone who closely resembles a famous person (especially an actor) 4. a quantity that is twice as great as another 5. raising the stakes in a card game by a factor of 2. v. 1. increase twofold 2. hit a two-base hit 3. bend over or curl up, usually with laughter or pain 4. do double duty; serve two purposes or have two functions 5. bridge: make a demand for (a card or suit) 6. make or do or perform again. adj. 1. having more than one decidedly dissimilar aspects or qualities 2. consisting of or involving two parts or components usually in pairs 3. twice as great or many 4. used of flowers having more than the usual number of petals in crowded or overlapping arrangements 5. used of homologous chromosomes associated in pairs in synapsis 6. large enough for two 7. having two meanings with intent to deceive. adv. 1. downward and forward 2. two together 3. to double the degree. 
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91. Would you prefer twin beds or a double?
92. This machine serves a double purpose.
93. He earns double what she does.
94. Double - time the troops to the mess hall.
95. Do you have any double rooms available this weekend?
96. The rod bent double, the reel shrieked and ratcheted.
97. The ship will double Cape Horn.
98. Their house had a double garage .
99. The villa is fronted by a double flight of stairs.
100. A lot of the jokes were based on double meaning .
101. The word 'cool' has a double 'o' in the middle.
102. He's got a double standard: it's all right for him to have affairs but not for her.
103. Ring four two double two double two if you'd like to speak to our financial adviser.
104. Dissolve the chocolate in the top of a double boiler.
105. The lids of the casserole dishes are designed to double up as baking dishes.
106. Hey Tony, I met someone at a party last week who was your double.
107. The lampshade has a double skin so that it remains cool.
108. The dough will rise until it is double in bulk.
109. I shouted and he was gone in double quick time.
110. She's going for the double this year-the Olympics and the World Championship.
111. The man shuffled back a few paces, bent almost double.
112. The drums and double bass usually form the rhythm section of a jazz group.
113. We'll have to double up on books; there aren't enough to go around.
114. Terry will have to double up with Bill in the front bedroom.
115. A traffic warden gave me a ticket for parking on a double yellow line.
116. Who will double for the secretary while she is on holiday?
117. The insulation from triple glazing is significantly greater than that from double glazing.
117. Wish you can benefit from our online sentence dictionary and make progress every day!
118. Off-season rates for a double room are about $30 a night.
119. Under a likely scenario, world population will double by 2050.
120. There were enough guitarists to double up on parts .
More similar words: double up, double back, trouble, troubled, no doubt, without doubt, voluble, do up, dough, hold out, hand out, public, send out, stand out, weed out, washed out, in and out, find out, publish, publisher, publicly, republic, in public, spread out, Republican, publicity, tremendous, publication, the general public, able.