tan·gen·tial /tænˈdʒɛnʃəl/ Pronunciation Key - Show Spelled Pronunciation[tan-jen-shuhl] –adjective
1. pertaining to or of the nature of a tangent; being or moving in the direction of a tangent.
2. merely touching; slightly connected: tangential information.
3. divergent or digressive, as from a subject under consideration: tangential remarks.
4. tending to digress or to reply to questions obliquely.