Antonym: fore, forth, front. Similar words: back up, back on, back of, cut back, back away, hold back, set back, pay back. Meaning: [bæk] 
n. 1. the posterior part of a human (or animal) body from the neck to the end of the spine 2. the side that goes last or is not normally seen 3. the part of something that is furthest from the normal viewer 4. (football) a person who plays in the backfield 5. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord 6. the protective covering on the front, back, and spine of a book 7. the part of a garment that covers the back of your body 8. a support that you can lean against while sitting 9. the position of a player on a football team who is stationed behind the line of scrimmage. v. 1. be behind; approve of 2. travel backward 3. give support or one's approval to 4. cause to travel backward 5. support financial backing for 6. be in back of 7. place a bet on 8. shift to a counterclockwise direction 9. establish as valid or genuine 10. strengthen by providing with a back or backing. adj. 1. related to or located at the back 2. located at or near the back of an animal 3. of an earlier date. adv. 1. in or to or toward a former location 2. at or to or toward the back or rear 3. in or to or toward an original condition 4. in or to or toward a past time 5. in answer 6. in repayment or retaliation.
n. 1. the posterior part of a human (or animal) body from the neck to the end of the spine 2. the side that goes last or is not normally seen 3. the part of something that is furthest from the normal viewer 4. (football) a person who plays in the backfield 5. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord 6. the protective covering on the front, back, and spine of a book 7. the part of a garment that covers the back of your body 8. a support that you can lean against while sitting 9. the position of a player on a football team who is stationed behind the line of scrimmage. v. 1. be behind; approve of 2. travel backward 3. give support or one's approval to 4. cause to travel backward 5. support financial backing for 6. be in back of 7. place a bet on 8. shift to a counterclockwise direction 9. establish as valid or genuine 10. strengthen by providing with a back or backing. adj. 1. related to or located at the back 2. located at or near the back of an animal 3. of an earlier date. adv. 1. in or to or toward a former location 2. at or to or toward the back or rear 3. in or to or toward an original condition 4. in or to or toward a past time 5. in answer 6. in repayment or retaliation. 
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(121) Jimmy slouched back in his chair.
(122) When they scolded him, he would answer back.
(123) Her hair was neatly combed back.
(124) When are you coming back to the stage?
(125) She looked back up the grassy slope.
(126) She sat back, nestling against his chest.
(127) Stop that giggling at the back!
(128) One who frequently looks back can nit go far.
(129) I'll get you back for this, just you wait!
(130) I got back in the buggy.
(131) Now, go back to your seat.
(132) She threw her head back as if in ecstasy.
(133) You agreed to come. You can't back out now!
(134) His sword was back in its sheath.
(135) What does the writing on the back say?
(136) Back to have in the past, returned to the original.
(137) I lay on my back and looked up at the stars.
(138) The army must give power back to the legitimate government.
(139) I like to go off on my own - to sit back and bliss out in a darkened move theater.
(140) Two days later, they implanted the fertilized eggs back inside me.
(141) When she retired, she moved back to her home town .
(141) Sentencedict.com is a sentence dictionary, on which you can find good sentences for a large number of words.
(142) The radio had been stolen, but otherwise we got the car back in one piece.
(143) For this peccadillo he was demoted and sent back to pound the beat.
(144) I have a pain in the middle of my back.
(145) Japan's recession has prompted consumers to cut back on buying cars.
(146) When the bush has finished flowering, cut back all the stems.
(147) Thank you I can not live in your eyes, you can hold you back.
(148) I saw him step forward momentarily but then hang back, nervously massaging his hands.
(149) Waiting for you to come back into my life, is just an excuse for not completely letting go of you.
(150) She was upset that her husband had not come back.
More similar words: back up, back on, back of, cut back, back away, hold back, set back, pay back, call back, keep back, go back to, draw back, look back, give back, go back on, backyard, feedback, bring back, fall back on, background, double back, back and forth, date back to, quarterback, tobacco, bacteria, sack, rack, pack, track.