parenthetical
adjective /ˌpærənˈθetɪkl/
/ˌpærənˈθetɪkl/
(also parenthetic
[usually before noun] (formal) /ˌpærənˈθetɪk/
/ˌpærənˈθetɪk/
)- given as extra information in a speech or piece of writing
- parenthetical remarks
Word Originlate 18th cent.: from parenthesis, on the pattern of pairs such as synthesis, synthetic.