noun-modifying (irregular)
biennial; two-year
Used as a prenominal modifier meaning 'occurring every two years' or 'lasting two years'. Common in official contexts like plans, budgets, or contracts.
We will draw up a two-year plan.
This plant blooms on a biennial cycle.
Clear, standard spelling using hiragana か for the counter; avoids rare kanji 箇.
Common variant using the small katakana ヶ (a simplification of 箇).
Variant with full-size katakana カ, often seen in official or formal documents.
Variant with small katakana ヵ, similar to ヶ.
Formal or literary spelling using the kanji 箇; rarely used in modern writing.
Uncommon variant with full-size katakana ケ.
Variant using Arabic numeral 2 instead of kanji 二.
Variant with Arabic numeral and small ヶ.
Variant with Arabic numeral and full-size カ.
Variant with Arabic numeral and small ヵ.
Uncommon variant with Arabic numeral and full-size ケ.
Rare variant with Arabic numeral and kanji 箇.
Compound of 二 (two) + counter か (from 箇, a counter for items) + 年 (year). The か is often written as ヶ, カ, or ヵ, all derived from the kanji 箇.