to come down
- phrasal verb
Examples
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The people wanting more help may be in for a surprise when the whole system comes down.
Blog text (2) -
And we can see that whilst it rose for a few days, then it started to come down because of the effects potentially of the lockdown.
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And when it comes down to it, when the CEO of PBS is making $600K+ a year, I'm not going to feel very sorry if any of their funding gets pulled.
Blog text (10) -
Experts say it's most likely that litigation over the presidency would come down to Florida or Ohio, the states where Romney and Obama have campaigned the hardest.
Blog text (27) -
The website suddenly came down due to a server overload, leaving users frustrated.
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After hours of downtime, the online service finally came down, allowing customers to access their accounts again.
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When the system comes down, it can take time for the technicians to restore it.
Synonyms
Stop a machine, business, or system from working
To stop working because of a problem
To stop working for a short time
To stop working suddenly, especially for a computer or program
Stop working and need repair
Antonyms
How Severe
Surface Forms
Morphology
The meaning 'to stop functioning / become unavailable' is a metaphorical extension of the literal 'come' + 'down' (arrive at a lower state) where 'down' signals loss of operation or availability; this connection is related to other phrasal uses like 'go down' for services. However, the specific sense of system failure is not strictly predictable from the literal constituents for a B1 learner without prior exposure, so the relation is partial rather than fully transparent.
Etymology
Come down for a website or server gives the picture of a machine that falls and stops working, suddenly unable to serve users. That's why come down is used to mean 'to stop functioning or become unavailable'.