What is the origin of 'sleep tight'?

Read moreOne of the mysteries of the English language finally explained.

The state or fact of something's being likely; probability.

*‘young people who can see no likelihood of finding employment’*in singular*‘situations where there is a likelihood of violence’*-
*‘There is also no likelihood that anything said or done would have induced any other confession.’* -
*‘There can at this stage be no definitive answer but only an assessment of likelihood.’* -
*‘The likelihood that one of them will commit a crime or become a drug addict is quite slim.’* -
*‘Clear allocation of risk may reduce the likelihood of litigation or arbitration.’* -
*‘Indeed there seems to be equal likelihood that extra life is lost as it is gained.’* -
*‘There is thus far less likelihood of stalemates or draws forming in the game.’* -
*‘Boys who only experimented with vice did not increase their likelihood of depression.’* -
*‘Nor, indeed, does there seem any likelihood that such a system would be effective.’* -
*‘The question whether the degree of similarity leads to a likelihood of confusion is a question of fact.’* -
*‘The likelihood is that the pelts of the rabid foxes have been sold to furriers.’* -
*‘We believe, however, that waging a war will only make the likelihood of retaliation greater.’* -
*‘So the likelihood of the others having similar problems was of high probability.’* -
*‘We need to accept that there is always the chance of failure and the likelihood of flaws.’* -
*‘The reduction in mortality is set against the increased likelihood of intervention.’* -
*‘I knew when I came in for my pit stop that there was little likelihood I would be leaving again.’* -
*‘The likelihood of this increases when emotional or physical stress are present.’* -
*‘The test is then whether there is a reasonable chance or a real likelihood of persecution occurring.’* -
*‘He submits that the necessary intent has to be proved and likelihood is not enough.’* -
*‘The trial judge did not consider the factor of the likelihood of danger arising soon.’* -
*‘Evidently the facts do not add up and so the likelihood is that someone is distorting the truth.’*

View synonyms**probability**, chance, prospect, possibility, likeliness, odds, feasibility, plausibility, conceivability-

**in all likelihood**Very probably.

*‘in all likelihood Helen will outlive me’*-
*‘Between them, racism and migration had ensured that my longing for a sense of belonging would in all likelihood not be satisfied by geography.’* -
*‘It is likely to involve different local interests and, in all likelihood, various interests at the central level as well.’* -
*‘The idea began to occur to me that maybe, in all likelihood, I wasn't all that different from them.’* -
*‘The rest remain out of the loop, so to speak, and in all likelihood will continue to do so.’* -
*‘No matter how good you hit the ball the fact is that you are, in all likelihood, going to have a putt at every hole you play and that putting accounts for almost half the shots you hit.’* -
*‘These have been tumultuous times for the museum and its staff, and in all likelihood will remain so for the rest of the year.’* -
*‘Those raise a number of complex issues requiring detailed consideration and, in all likelihood, a number of enquiries.’* -
*‘But this would, in all likelihood, push the economy into a recession.’* -
*‘It is, in all likelihood, my favourite thing on TV at the moment.’* -
*‘It lifted them in a game that in all likelihood the probably shouldn't have been in.’*

View synonyms**in all likelihood**, in all probability, as likely as not, very likely, most likely, likely, as like as not, ten to one, the chances are, doubtless, no doubt, all things considered, taking all things into consideration, all things being equal, possibly, perhaps, maybe, it may be, presumably, on the face of it, apparently-