up to something
Planning something sneaky
Up to something describes a person engaged in some activity, often with a hint of secrecy or mischief.
When you ask What are you up to? , you're asking what someone is doing.
But I think he's up to something suggests suspicious or scheming behavior.
Those kids are up to no good.
Devising a secret plan
- conspiringPlotting secretly with others
- connivingSecretly planning wrongdoing
- cunningSly, scheming cleverness
- deviousUnderhanded and calculating
manipulative · underhanded · calculating · crafty · sly · intrigue · masterminding · furtive
Playful trick on someone
- troubleDifficulty or distress
- sneakyStealthily deceptive
- shenanigansMischievous or deceitful behavior
- naughtyMildly disobedient
trickery · impish · roguish · playful · mischievous · cheeky · tomfoolery · foolery
Making ready beforehand
- working onActively doing something
- arrangingSystematically positioning elements
- organizingSystematically putting in order
- devisingCreating through thought
hatching · cooking up · brewing · concocting · formulating · in the works · afoot · underway
plotting
Devising a secret plan
- conspiringPlotting secretly with others
- connivingSecretly planning wrongdoing
- cunningSly, scheming cleverness
devious · manipulative · underhanded · calculating · crafty · sly · intrigue · masterminding · furtive · covert
prank
Playful trick on someone
- troubleDifficulty or distress
- sneakyStealthily deceptive
- shenanigansMischievous or deceitful behavior
naughty · trickery · impish · roguish · playful · mischievous · cheeky · tomfoolery · foolery · waggish
preparing
Making ready beforehand
- working onActively doing something
- arrangingSystematically positioning elements
- organizingSystematically putting in order
devising · hatching · cooking up · brewing · concocting · formulating · in the works · afoot · underway · project
up to somethinginnocent
Free from moral wrong
blameless · guileless · above suspicion · on the up and up · aboveboard
up to somethingopen
Not closed
transparent · forthcoming · candid · out in the open · plain as day
up to somethinginnocent
Free from moral wrong
above board · acting in good faith · on the level · straightforward · transparent
upon, update, upgrade, something, uphold, updated, updating, upping, upheld