up to Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “up to” in the English Dictionary

"up to" in British English

See all translations

up toadverb

uk   us  

up topreposition

uk   us  
  • up to preposition (DOING)

be up to sth B1 informal to be doing something, often something ​bad or ​illegal, usually ​secretly: She's up to no good (= doing something ​bad or ​forbidden) - you can always ​tell because she ​stays in her ​room. He ​looks very ​suspicioushanging around ​outside - I'm ​sure he's up to something.
(Definition of up to from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"up to" in American English

See all translations

up toadverb

 us   /ˈʌp tu, /
less than or ​equal to, but not more than, a ​statedvalue, ​number, ​level, or ​time: Research ​suggests that up to ​half of those who were ​prescribed the ​drugsufferedsideeffects. You have up to ten ​minutes.

up topreposition

 us   /ˈʌp tu, /
  • up to preposition (RESPONSIBILITY)

being the ​responsibility of (someone): The ​decision is up to you. If it were up to me, I’d do it.
  • up to preposition (DOING)

doing (something that might be ​bad or ​illegal), often ​secretly: When it’s so ​quiet, I ​think the ​kids are up to something.
(Definition of up to from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “up to”
in Chinese (Simplified) 接近于, 至多…
in Chinese (Traditional) 接近於, 至多…
What is the pronunciation of up to?
Add Cambridge dictionaries to your browser to your website
Word of the Day

fire-eater

a performer who entertains people by seeming to swallow flames

Word of the Day

PLEASE DON’T SHOUT!
PLEASE DON’T SHOUT!
by Colin McIntosh,
February 09, 2016
New words are entering the language all the time. A few of these are completely new and original coinages, but the vast majority are based on the existing stock of words in some way, for example by using affixes (prefixes and suffixes). These can have the effect of changing the meaning of the

Read More 

farecasting noun
farecasting noun
February 08, 2016
predicting the optimum date to buy a plane ticket, especially on a website or using an app A handful of new and updated websites and apps are trying to perfect the art of what’s known as farecasting – predicting the best date to buy a ticket.

Read More