Synonym: earlier, formerly, in advance, previously, prior. Antonym: after, behind. Similar words: come before, long before, before long, be full of, be familiar with, care for, reform, die for. Meaning: [bɪfɔː] 
adv. 1. earlier in time; previously 2. at or in the front.
adv. 1. earlier in time; previously 2. at or in the front. 
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121, Flights should be confirmed 48 hours before departure.
122, Before agreeing, he ran the idea past Johnson.
123, Cleanse the cut/wound thoroughly before you bandage it.
124, You need to smarten up before you go out.
125, She ate a small lunch before the meeting.
126, New Year's Eve is the day before January 1st.
127, Everyone was frisked before getting on the plane.
128, We consulted quite widely before deciding what to do.
129, Before you is a well-worn path of beaten earth.
130, Get all the ingredients together before you start cooking.
131, Sugar, oil and metals are refined before use.
132, Insure your baggage before you leave home.
133, Make sure your hands are clean before you have your dinner.
134, maybe god wants us to meet a few wrong people before meeting the right one, so that when we finally meet the person, we will know how to be grateful.
135, Before you give up ,think of the reason why you held on so long.
136, That was in the days before electricity was available at the flick of a switch .
137, After 25 years, our love is even stronger than before.
138, He debated heating up the pot first before his friends came.
139, Get your ideas into some kind of order before beginning to write.
140, She became a lawyer as her father had before her.
141, There is a layer of dust on the dressing-table. Clean it before the guest arrives.
142, It was quite some time before they break through the enemy's blockade.
143, He vowed to achieve certain objectives before the end of his presidency.
144, The fire burned for eight hours before the fire crews could subdue it. Sentencedict.com
145, I read the information on the label before deciding which jam to buy.
146, I always get the jitters the morning before an exam.
147, He always checked the manuscript over carefully before passing it to the typist.
148, They had been selling stolen cars for years before the police caught up with them.
149, The incumbent president faces problems which began many years before he took office.
150, There is no point in merely repeating what we've done before.
More similar words: come before, long before, before long, be full of, be familiar with, care for, reform, die for, come for, save for, take for, make for, come forth, settle for, more, core, struggle for, forest, score, compensate for, for ever, Korean, or else, any more, no more, in exchange for, forehead, explore, restore, all the more.