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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(151) He rubbed his forehead with the back of his hand.
(152) The father pulled the child back from the river side.
(153) Your job is to attend the meeting and report back to the board of directors.
(154) She couldn't get her breath and had to be thumped on the back.
(155) The airline is beginning to claw back some of the business it lost after the bomb explosion.
(156) The dog laid back his ears and began to bark.
(157) I brought a few trifles back from India - bits of jewellery and material mainly.
(158) When the great fish flipped over on its back,we knew it was almost dead.
(159) I thought back to the time in 1975 when my son was desperately ill.
(160) Grandma said, people died is auditory sometimes feel to the imperial power, when if you hear his beloved people cry, then he will go back, a look back on the deal days.
(161) Shall I have him call u when he gets back?
(162) Relationships are like glass. Sometimes it's better to leave them broken than try to hurt yourself putting it back together.
(163) Tonight's programme looks back at the main events of the year.
(164) Lighting is poor in the back lanes of the city.
(165) The things we lose have a way of coming back to us in the end, if not always in the way we expect.
(166) I managed to argue him into going back home to talk to his parents.
(167) Sometimes u need to look back, otherwise u will never know what u have lost in the way of forever searching.
(168) He draped his jacket over the back of the chair and sat down to eat.
(169) Steve was in a particularly bad mood when he got back.
(170) Will you put the books back when you've finished with them?
(171) Visiting her house was like stepping back in time/stepping back 50 years.
(171) Sentencedict.com is a online sentence dictionary, on which you can find good sentences for a large number of words.
(172) Who dares to answer back when he roars like a lion?
(173) Just when I thought I had lost the letter forever, it blew right back into my hand!
(174) Please come back. I want to make up. I want to be your Valentine.
(175) He changed his mind about moving, but was unable to buy the house back.
(176) I took the radio back to the shop and asked for/demanded/got/was given a refund.
(177) The opening of the new swimming pool has been set back by a few weeks.
(178) It helps to put an important issue back on the front burner.
(179) Don't overspend on your home and expect to get the money back when you sell.
(180) Once they settled in, my father looked back over his shoulder and asked the children if Santa had found them yet. Three glum faces mutely gave him his answer.
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.