once in a blue moon significado, once in a blue moon definición | diccionario de inglés definición

Collins

moon  

  ( moons    plural & 3rd person present  )
1       n-sing   Themoon is the object that you can often see in the sky at night. It goes round the Earth once every four weeks, and as it does so its appearance changes from a circle to part of a circle.  
usu the N, also full/new N  
...the first man on the moon..., ...the light of a full moon.     
    new moon  
2       n-count   A moon is an object similar to a small planet that travels around a planet.  
usu poss N  
...Neptune's large moon.     
3    If you say that something happens once in a blue moon, you are emphasizing that it does not happen very often at all.  
once in a blue moon             phrase   PHR with cl     (emphasis)    Once in a blue moon you get some problems.     
4    If you say that you are over the moon, you mean that you are very pleased about something.  
  (BRIT)  
INFORMAL  
over the moon      phrase   v-link PHR   (=overjoyed)  
Traducción diccionario Collins Ingles - Cobuild  
Collins
once  
1       adv   If something happens once, it happens one time only.  
ADV with v  
I met Wilma once, briefly..., Since that evening I haven't once slept through the night..., Mary had only been to Manchester once before.     
      Once is also a pronoun., pron   the/this PRON  
`Have they been to visit you yet?'<emdash10001`Just the once, yeah.'..., Listen to us, if only this once.     
2       adv   You use once with `a' and words like `day', `week', and `month' to indicate that something happens regularly, one time in each day, week, or month.  
ADV a n  
Lung cells die and are replaced about once a week..., We arranged a special social event once a year to which we invited our major customers.     
3       adv   If something was once true, it was true at some time in the past, but is no longer true.  
ADV with v, ADV with be, ADV with group/cl  
The culture minister once ran a theatre..., I lived there once myself, before I got married..., The house where she lives was once the village post office..., My memory isn't as good as it once was.     
4       adv   If someone once did something, they did it at some time in the past.  
ADV with v  
I once went camping at Lake Darling with a friend..., We once walked across London at two in the morning..., Diana had taken that path once.     
5       conj   If something happens once another thing has happened, it happens immediately afterwards.  
The decision had taken about 10 seconds once he'd read a market research study..., Once customers come to rely on these systems they almost never take their business elsewhere...     
6    If something happens all at once, it happens suddenly, often when you are not expecting it to happen.  
all at once      phrase   PHR with cl   (=all of a sudden)  
All at once there was someone knocking on the door.     
7    If you do something at once, you do it immediately.  
at once      phrase   PHR with v   (=immediately)  
I have to go, I really must, at once..., Remove from the heat, add the parsley, toss and serve at once..., The audience at once greeted him warmly.     
8    If a number of different things happen at once or all at once, they all happen at the same time.  
at once/all at once      phrase   PHR after v, PHR adj/n and adj/n  
You can't be doing two things at once..., No bank could ever pay off its creditors if they all demanded their money at once...     
9    For once is used to emphasize that something happens on this particular occasion, especially if it has never happened before, and may never happen again.  
for once      phrase   PHR with cl     (emphasis)    For once, dad is not complaining..., His smile, for once, was genuine.     
10    If something happens once again or once more, it happens again.  
once again/once more      phrase   PHR with v, PHR with cl  
Amy picked up the hairbrush and smoothed her hair once more..., Once again an official inquiry has spoken of weak management and ill-trained workers.     
11    If something happens once and for all, it happens completely or finally.  
once and for all      phrase   PHR with v     (emphasis)    We have to resolve this matter once and for all..., If we act fast, we can once and for all prevent wild animals in Britain from suffering terrible cruelty.     
12    If something happens once in a while, it happens sometimes, but not very often.  
once in a while      phrase   PHR with cl   (=occasionally)  
Earrings need to be taken out and cleaned once in a while.     
13    If you have done something once or twice, you have done it a few times, but not very often.  
once or twice      phrase   PHR with cl, PHR with v  
I popped my head round the door once or twice..., Once or twice she had caught a flash of interest in William's eyes...     
14    Once upon a time is used to indicate that something happened or existed a long time ago or in an imaginary world. It is often used at the beginning of children's stories.  
once upon a time      phrase   PHR with cl  
`Once upon a time,' he began, `there was a man who had everything.'..., Once upon a time, asking a woman if she has a job was quite a straightforward question.     
15   
    once in a blue moon  
    moon  


once-over     
If you give something or someone the once-over, you quickly look at or examine them.  
INFORMAL  
give something or someone the once-over      phrase   V inflects, PHR after v  
She gave the apartment a once-over.     

Traducción diccionario Collins Ingles - Cobuild  

Collins

once  

1    at one time, formerly, in the old days, in the past, in times gone by, in times past, long ago, once upon a time, previously  
2    at once:     
a.    directly, forthwith, immediately, instantly, now, right away, straight away, straightway     (archaic)   this (very) minute, without delay, without hesitation  
b.    at or in one go     (informal)   at the same time, simultaneously, together  
3    once and for all      conclusively, decisively, finally, for all time, for good, for the last time, permanently, positively, with finality  
4    once in a while      at intervals, at times, every now and then, from time to time, now and again, occasionally, once in a blue moon     (informal)   on occasion, sometimes  

Diccionario de inglés sinónimos  

Diccionario colaborativo     Inglés Cobuild
exp.
expression used to designate something that happens very rarely
exp.
you only live once
[Fam.] acronym
adj.
happening once a year
Ex.: My favorite annual event is Christmas because I eat my mother's great feast and get christmas presents from Santa Claus.
exp.
state securities laws
exp.
shout (as a sign of discontentment or anger)
adv.
a lot; very much; in a great quantity; endlessly
[Fig.] E.g. love someone to the moon and back=love someone very much
n.
brothers of the blue eye
adj.
1. [Comp.] a device that once plugged in is automatically recognized by the system and launches the expected process without any action on the user's side; 2. [Bus.] a new employee who is able to start work without too much induction and training
[Comp.];[Bus.] can be used as both noun and adjective: plug and play device; plug and play employee or simply plug and play (noun)
nm.
acronym of Lunar Module, little vehicle created especially to move on the moon during XXth century 's space conquest.
exp.
(about a positive event/situation) happen out of the blue, without any effort from the impacted persons

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"Collins Cobuild English Dictionary for Advanced Learners 4th edition published in 2003 © HarperCollins Publishers 1987, 1995, 2001, 2003 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"