主おもに

お

も

に

Common wordJLPTN3Freq.FrequencyTop 50,000

Meanings

1

adverb

Indicates the main part or most important aspect of something; used to describe what something is largely about or composed of.

この地ち域いきの産さん業ぎょうは主おもに農のう業ぎょうです。
The industry in this region is mainly agriculture.
彼

かれ

の

話はなし

は

主おも

に

旅りょ

行こう

の

経けい

験けん

に

つい

て

だっ

た

。

His talk was mostly about his travel experiences.

主おもにUsage85%
Standard kanji spelling; high priority.
おもにUsage15%
Kana spelling is common in informal writing and when the kanji is not needed.

ほとんど
ほとんど means 'almost all' or 'nearly', emphasizing quantity or degree, while 主に means 'mainly' or 'primarily', focusing on the principal part or aspect.
大だい体たい
大体 means 'generally' or 'roughly', often used for approximations, while 主に is more precise about the main component or focus.

Derived from the adjective 主 (おも, 'main, principal') with the adverbial particle に.