clever at getting what one wants

skilful; cunning

(of a person) using deceit or trickery to her or his advantage

scheming to manipulate

deceiving

dishonest

going round and not taking the direct way

dishonest, crafty

of diplomacy; tactful

politic, tactful

done secretly so as not to attract attention

sneaky, secretive

not to be trusted

deceitful, untrustworthy

deceitful; keeping or doing things secretly

clever, devious

secret; vague

sly

not caring about being honest or doing wrong

immoral

tricks used to get something one wants

cunning

cunning (the usual word)

crafty, clever