American Idioms – Idiom Wizard Lists Over 5,500 Idioms & Slang Descriptions

On the sly


Secretly. Hiding one’s activities. Manipulating a process for personal gain.  ‘Sly’ suggests that one is hiding one’s actions which are knowingly contrary  to a group’s interest, usually for personal gain or revenge.

“Before I was fired, I was stealing office supplies on the sly from the office.”

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Idiom Wizard logo

This website uses cookies. If you continue browsing you accept our use of cookies and agree to our Terms of Use and Privacy Policy. We do NOT share your information with anyone else. A Subscriber will continue to receive our messages until  you opt out.