Parenthetical (adjective)

Containing or expressing an additional comment; in parentheses or in the form of a parenthesis.

Origin:

Derived from the greek word "parenthesis" meaning "to put in beside" and the suffix "-al" meaning "related to", the word "parenthetical" has been used since the 17th century.

Examples:

1. He made a parenthetical comment about the weather.
2. The parenthetical phrase gave additional information.
3. Parenthetical expressions are often set off by parentheses or dashes.
4. A parenthetical remark is one that is added as an aside to the main topic.
5. Parenthetical statements are often used to provide additional information or clarification.