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pull a vanishing act
To depart or go away very suddenly or without warning, especially so as to avoid doing or dealing with something. My roommate loves to throw parties here, but she always pulls a vanishing act the next day when everything needs to be cleaned up! Brian is nearly two weeks late finishing his sales report—that's why he's been pulling a vanishing act whenever the boss is around.
do a vanishing act
To depart or go away very suddenly or without warning, especially so as to avoid doing or dealing with something. My roommate loves to throw parties here, but she always does a vanishing act the next day when everything needs to be cleaned up! Brian is nearly two weeks late finishing his sales report—that's why he's been doing a vanishing act whenever the boss is around.
sink without (a) trace
1. To quickly and thoroughly fail. The new smartphone was meant to revolutionize the industry, but it sank without trace after its commercial release. After his initial breakout success, the director's follow-up film sank without a trace.
2. To be forgotten about by the population as a whole, especially after being very popular. The digital pets fad took the world by storm in the late 1990s, but sank without trace by the end of the millennium.
vanish without (a) trace
1. To disappear without any indication to one's or something's whereabouts. Police have been searching for two weeks to find a young girl who vanished without trace from her home in Rochester. Authorities are puzzled by the navy submarine that seemingly vanished without a trace last Thursday.
2. To be forgotten about by the population as a whole, especially after being very popular. The digital pets fad took the world by storm in the late 1990s, but pretty much vanished without a trace by the end of the millennium.
vanish into the woodwork
To recede or absent oneself from public view; to become or remain hidden in society. The former movie star, never one to vanish into the woodwork, launched a very successful chain of restaurants and eventually ran for public office in Washington state. I think people expected us to vanish into the woodwork after the referendum results, but we made sure to stay firmly in the eye of the public.
to disappear. (The away is considered redundant.) The pizza vanished away in no time at all. The city lights vanished away as dawn broke.
vanish from something
to disappear from something or some place. The money vanished from the desk drawer. My glasses have vanished from sight again.
See also: vanish
vanish into something
to disappear by going into something. All the deer vanished into the forest. Money seems to vanish into a black hole.
See also: vanish
vanish into thin air
Cliché to disappear without leaving a trace. My money gets spent so fast. It seems to vanish into thin air. When I came back, my car was gone. I had locked it, and it couldn't have vanished into thin air!
see under into thin air.
vanish into (or come or crawl out of) the woodwork(of an unpleasant person or thing) disappear into (or emerge from) obscurity. informal
The implication here is that the people or things concerned are like cockroaches or other unpleasant creatures living in the crevices of skirting boards and cupboards.
do/perform/stage a disapˈpearing/ˈvanishing act(informal) go away or be impossible to find when people need or want you: Ian always does a disappearing act when it’s time to wash the dishes.This refers to a magic trick done by a magician in which they make themselves or another person disappear.
disappear/vanish off the face of the ˈearthdisappear completely: Keep looking — they can’t just have vanished off the face of the earth.
sink, vanish, etc. without (a) ˈtracedisappear completely: The boat sank without trace. ♢ Many pop stars sink without a trace. After five years no one can even remember their names.
To disappear gradually but completely: I had to wash the shirt five times before the grass stain vanished away.