An example of incidentally is when you discover that someone is pregnant only because you are conducting a medical exam for something else and happen to check for pregnancy.
An example of incidentally is what you might say to your friend after you have just made the point that your friend is always late; "Incidentally, you were an hour late today."
By profession a lawyer and incidentally a musician.
Incidentally, did you hear anything new from your brother yesterday?
Origin of incidentally
- incidental + -ly