Synonym: buddy, fellow, lad, male, youth. Antonym: girl. Similar words: boyfriend, flamboyant. Meaning: [bɔɪ] 
n. 1. a youthful male person 2. a friendly informal reference to a grown man 3. a male human offspring 4. (ethnic slur) offensive and disparaging term for Black man.
n. 1. a youthful male person 2. a friendly informal reference to a grown man 3. a male human offspring 4. (ethnic slur) offensive and disparaging term for Black man. 
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1 The boy is father to the man. 
2 One boy is more trouble than a dozen girls.
3 There is many a boy here today who looks on war as all glory, but boys,(www.Sentencedict.com) it is all hell.
4 Be a good boy and get me my coat.
5 We rescued the boy who fell into the river.
6 He saved the boy from drowning.
7 The little boy caught a fish.
8 Congratulations, you have a healthy baby boy.
9 The boy walked with a manly stride.
10 The boy was cheeky and casual.
11 A boy or two girls are at home.
12 She grabbed the boy and dragged him away.
13 The boy surrendered the catapult to the teacher.
14 The boy booted the ball away.
15 She nursed the sick boy back to health.
16 The boy forgot where he put his textbook.
17 The mother laid the sleeping boy against her.
18 Is it a boy or a girl?
19 The boy needs a life-saving transplant operation.
20 My sister's little boy is a real delight.
21 Only one boy was absent, namely Harry.
22 The boy gave him a guarded look.
23 The little boy fell over and started to cry.
24 He switched the boy with a cane.
25 The little boy sat in a gloomy corner.
26 I cannot cope with that boy; he is stubborn.
27 That boy will be another Nelson.
28 Tell the boy to stop messing around upstairs.
29 All work and no play makes Jack a dull boy; all play and no work makes Jack a mere boy.
30 All work and no play makes Jack a dull boy.