多く|おおくooku[1]atamadaka (head-high)

1. adverb, no-adjectivemany; much; plenty; a lot
   私達わたしたちは経験けいけんによって多おおくを学まなぶ。↗

   We learn much by experience.

   イギリスは多おおくの植民地しょくみんちを設もうけた。↗

   Britain established many colonies.

   米べいは世界せかいの多おおくの地域ちいきで作つくられています。↗

   Rice is grown in many parts of the world.
2. nounmajority (of); greater part (of)
   大学生だいがくせいの多おおくは、レポートを書かくのにパソコンを使つかいます。↗

   Most college students use computers mainly for writing papers.
3. adverbmostly; mainly; chiefly; usually; often

• SynonymたくさんNeutralThe everyday spoken word for 'a lot'; also covers 'enough'. 「多く」 leans written and also serves as an adverb meaning 'mostly'.
• Synonym多数たすうNeutralA large number, of people or things alike, as in 「多数の企業」; also the majority side. 「多く」 also works adverbially for 'mostly'.
• Synonym多量たりょうWrittenWritten style, for a large quantity or amount. 「多く」 is also bookish but broader, also meaning 'most (of)'.
• Synonym大量たいりょうNeutralFor bulk or massive quantities, as in 「大量生産」. 「多く」 is more general.
• Synonym豊富ほうふNeutralRich and plentiful, often of variety, as in 「経験豊富」. 「多く」 stresses sheer number.
• Related大方おおかたNeutralThe greater part of something, or people in general. 「多く」 centers on large numbers and 'the majority'.
• RelatedあらかたNeutralFor the most part; roughly, almost everything. 「多く」 focuses on large numbers.
• RelatedあまたWrittenA literary, elegant word for 'many', as in 「数多の」. 「多く」 is the more common choice.
• AntonymわずかNeutralThe opposite of 「多く」: a very small amount; 'only' or 'merely'.
• AntonymまれNeutralThe opposite of 「多く」 in frequency: rare, seldom occurring.
• Antonym少なくNeutralThe opposite of 「多く」 in quantity: a smaller amount or number.

In writing, use 「多く」 for 'many' or 'most', as in 「多くの人」; in speech, 「たくさん」 is the natural choice. Use 「多数」 for large numbers, 「大量」 for bulk quantities, and 「豊富」 for rich variety. The main antonyms are 「僅か」 and 「稀」.

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

1. 数量すうりょうが多おおいこと。多数たすうの事物じぶつや人ひと。
2. 大部分だいぶぶん。大多数だいたすうの事物じぶつや人ひと。
3. 大抵たいてい。多おおくの場合ばあい。