conditional comment

noun

A comment in source code that can be interpreted as a directive by some systems, but is ignored by those others that are not aware of the convention; formerly used to overcome compatibility issues between web browsers.

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Meanings

nounconditional comment (plural conditional comments)

plural conditional comments

  1. computingA comment in source code that can be interpreted as a directive by some systems, but is ignored by those others that are not aware of the convention; formerly used to overcome compatibility issues between web browsers.
Cite this entry
APA

conditional comment. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/conditional%20comment

MLA

“conditional comment.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/conditional%20comment. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “conditional comment,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/conditional%20comment.

Source: conditional comment on Wiktionary, CC BY-SA 4.0.