一丸|いちがんichigan[0]heiban (flat)

1. nounone lump; one body; one group

• Synonym塊かたまりNeutralA lump or mass: things solidifying into one clump, or figuratively the embodiment of a quality. 「一丸」 is almost only used as 「一丸となる」, meaning all united as one.
• Antonym分裂ぶんれつNeutralA split or division — the opposite of 「一丸」 in its sense of being united as one, as in 「党の分裂」.

For a whole group united as one, say 「一丸となって」, as in 「チーム一丸となって戦う」; for a physical lump or clump use 「塊」; the opposite of unity is 「分裂」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 一ひとつのまとまり。ひとかたまり。団結だんけつしていること。