Definition for Irrelevancy:

• The quality of being irrelevant; inapplicability.

Synonyms for Irrelevancy:

• n.

  •
  • digression,
  • divergence,
  • divergency,
  • excursus,
  • deviation,
  • approach,
  • aside,
  • excursion,
  • tangent.
  •digression (noun)
  • variation,
  • departure,
  • Discursion,
  • obiter dictum,
  • drifting,
  • apostrophe,
  • detour,
  • rambling,
  • episode,
  • note,
  • deflection,
  • difference,
  • incident,
  • wandering,
  • diversion,
  • footnote.
  •parenthesis (noun)
  • ramblings,
  • wanderings,
  • discursions,
  • apostrophes,
  • tangents,
  • deflections.

• Other synonyms:

  •
  • fallacy,
  • divagation.

Antonyms for Irrelevancy:

• n.

  • digression
    uniformity, conformity, sameness, similarity, agreement, accord.
  • Other antonyms:
    relevancy, relevance.