- 1[uncountable, countable] how likely something is to happen synonym likelihood The probability is that prices will rise rapidly. There seemed to be a high probability of success.
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- 2[countable] a thing that is likely to happen A fall in interest rates is a strong probability in the present economic climate. It now seems a probability rather than just a possibility.
- 3[countable, uncountable] (mathematics) a ratio showing the chances that a particular thing will happen There is a 60% probability that the population will be infected with the disease. Idioms
it is very likely that In all probability he failed to understand the consequences of his actions.
Check pronunciation: probability