Definition of parenthetical in English:

parenthetical

adjective

  • Relating to or inserted as a parenthesis:

    ‘parenthetical remarks’
    • ‘It is better in the long run to create two URL patterns with no metacharacters than it is to create one with parenthetical clauses.’
    • ‘He was becoming parenthetical: he felt like an eclipsed moon.’
    • ‘Providing parenthetical information or explanatory footnotes on those not discussed in the introductions might have been more helpful than relegating the information to the index.’
    • ‘For Avison, at this stage of her career and life, it appears only as a parenthetical insertion, a possibility.’
    • ‘The inclusion of a parenthetical clause, as in this case, would not normally alter the meaning of the provision into which it is inserted though what is required to satisfy it may well be different.’
    incidental, supplementary, by-the-way, by-the-by, in parentheses, parenthetic, in brackets
    explanatory, qualifying, inserted, interposed, extraneous
    View synonyms

Origin

Late 18th century: from parenthesis, on the pattern of pairs such as synthesis, synthetic.

Pronunciation:

parenthetical

/ˌpar(ə)nˈθɛtɪk(ə)l/