1.
frequent; repeated
occurring often or at short intervals
頻繁に連絡を取る。
I stay in frequent contact.
この道路は事故が頻繁に起きる。
Accidents occur frequently on this road.
最近、彼との頻繁なやり取りで疲れている。
Recently, I'm tired from frequent exchanges with him.
頻繁 is a na-adjective meaning frequent or repeated, implying things happen at short intervals.
FORMS:
- 頻繁な〜: frequent (modifier)
- 頻繁に: frequently (adverb — this is the most common form)
COMMON COLLOCATIONS:
- 頻繁な更新: frequent updates
- 頻繁な連絡: frequent contact
- 頻繁に利用する: to use frequently
- 頻繁に起きる: to occur frequently
SIMILAR WORDS:
- よく: often (casual, everyday)
- しばしば: often (literary, written)
- たびたび: repeatedly, time and again
- ひっきりなしに: incessantly, without pause
REGISTER:
Somewhat formal. In casual speech, よく is more natural. 頻繁 is common in news, reports, and written Japanese.