Synonym: chance, come off, occur, pass, take place, turn up. Similar words: happen to, happy, appear, appeal, happily, appeal to, disappear, chap.. Meaning: ['hæpən] 
v. 1. come to pass 2. happen, occur, or be the case in the course of events or by chance 3. chance to be or do something, without intention or causation 4. come into being; become reality 5. come upon, as if by accident; meet with.
v. 1. come to pass 2. happen, occur, or be the case in the course of events or by chance 3. chance to be or do something, without intention or causation 4. come into being; become reality 5. come upon, as if by accident; meet with. 
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121 Nothing will happen for a few years yet.
122 The problem is that no-one knows what will happen.
123 Sales have gone down, and obviously we'd prefer it if that didn't happen.
123 Sentencedict.com try its best to gather and make good sentences.
124 I dread to think what will happen if they get elected .
125 What they find could provide clues to what might happen worldwide if ozone depletion continues.
126 Things do not happen according to plan, and they are not reducible to tidy models.
127 Did it really happen or did I just dream it?
128 "Don't worry - worse things happen at sea" is her stock expression for whenever anything goes wrong.
129 He's the kind of man who makes things happen but lets others take the credit.
130 We will be going all out to ensure it doesn't happen again.
131 It's mind-boggling to me that this is allowed to happen.
132 I'll take your word for it that it won't happen again.
133 Of course it had to happen on today, when all the shops are shut.
134 Just about anything could happen and we'll be there to catch it on camera when it does.
135 He said the only alternative was to starve the people(sentencedict.com), and he said this could not be allowed to happen.
136 Earthquakes happen when stresses in rock are suddenly released as the rocks fracture.
137 Things don't happen quite that easily in real life .
138 You have to make things happen if you want them to happen.
139 'I knew this would happen,' she said in a stage whisper.
140 I've tried twiddling the knobs, but nothing seems to happen.
141 Police asked passers-by if they had seen the accident happen.
142 Surely we can't just stand back and let this happen?
143 It is conceivable that there will be a new economic crisis throughout the world, but we hope it won't happen.
144 I can't understand why, but suddenly I had this feeling that something terrible was going to happen.
145 I give you my word that it won't happen again.
146 What would happen to your family if you were to die in an accident?
147 I tremble to think what will happen when she finds out.
148 For many months local residents had been complaining that the building was unsafe, and that it was an accident waiting to happen.
149 Unexpected things can happen in the world of subatomic particles.
150 Although it has yet to happen, cross-border consolidation of Europe's banking industry is regarded as a done deal.