一団|いちだんichidan[0]heiban (flat)

1. nounbody; group; party; gang; troupe; troop
   群衆ぐんしゅうは密集みっしゅうした一団いちだんとなって動うごいていた。↗

   The crowd was moving in a solid body.

• Synonym集団しゅうだんNeutralBroad term for a group of people or things, as in 「集団生活」; 「一団」 typically refers to a group gathered into one mass before you.
• SynonymグループNeutralLoanword for a small group or team; common in everyday speech and stresses the unit formed, while 「一団」 leans toward written description.
• Synonym一群いちぐんWrittenWritten word for a group or flock, mostly of animals or flower clusters, as in 「一群の羊」; 「一団」 mostly refers to people.
• Synonym群れむれNeutralWide-ranging word for a group, often of animals, as in 「羊の群れ」; also used neutrally of people, turning derogatory only for a gang of cronies.
• Related大勢おおぜいNeutralStresses a large number of people; also works adverbially as 「大勢で」. Unlike 「一団」, it does not refer to one party or band.
• Related集まりあつまりNeutralThe gathering itself — a meeting or get-together, as in 「町内の集まり」; focuses on the act of coming together rather than the group.
• Related群衆ぐんしゅうNeutralMany people gathered in one place; a general term for the masses. 「一団」 can also refer to a party of people or things.
• Related大群たいぐんNeutralA very large group, mostly of animals, as in 「イナゴの大群」; 「一団」 does not emphasize sheer numbers.
• Related群集ぐんしゅうWrittenWritten word for crowding together or the resulting crowd; also an ecology term for a community, stressing the phenomenon of aggregation.
• Related人だかりひとだかりNeutralMany people packed into one spot, usually onlookers, as in 「人だかりができる」; 「一団」 is not limited to spectators.
• Related群がりむらがりWrittenWritten word for people or things crowding together in one place; stresses the state of gathering and is rare — say 「群れ」 in daily speech.
• Related一群れひとむれNeutralNative word for a group of similar people or animals; can also describe flowers blooming across a wide area. 「一団」 stresses the mass as one whole.
• Related烏合の衆うごうのしゅうNeutralIdiom for a disorderly mob, used derogatorily; stresses a crowd with no discipline or control whatsoever.
• Related人立ちひとだちWrittenWritten word for the state of many people gathered in one place; rare in use — say 「人だかり」 in everyday speech.
• RelatedモブNeutralLoanword for a crowd, or for background characters in manga and games; mostly seen in anime and gaming vocabulary.
• Antonym個々ここNeutralIndividuals, one by one — the opposite of 「一団」, a mass of people or things gathered together.
• Antonym薔薇薔薇バラバラCasualColloquial word for things scattered or fallen apart — the opposite of 「一団」; usually written 「バラバラ」.

Use 「一団」 for a group of people or things gathered into one mass, as in 「観光客の一団」. For a collective in general say 「集団」, for a small team 「グループ」, and for a crowd of onlookers 「人だかり」. The opposite of a gathered mass is 「バラバラ」.

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

1. 一ひとつの集団しゅうだんやグループ。