What is another word for do on sly?
Pronunciation: [dˈuː ˌɒn slˈa͡ɪ] (IPA) 
The phrase "do on sly" means to do something secretly or covertly. There are many synonyms for this phrase that you can use depending on the context of the situation. Some of these synonyms include, "do covertly," "undertake stealthily," "act furtively," "be surreptitious," "conceal your actions," "conduct clandestinely," "perform in secret," "execute stealthily," "carry out on the down-low," and "work under the radar." These synonyms can be used to describe actions that one might take when they want to be discreet, avoid detection or scrutiny, or simply keep their actions hidden from others. They are useful for both personal and professional situations where secrecy is necessary.
