Japanese

ふあんてい
Meaning: instability; unstable
Part of Speech: Noun, Adjectival noun

Listen to pronunciation

Handwriting

不
安
定

Example sentences

The weather in the mountains is unstable.
山奥では携帯電話の通信が不安定になることがある。
In the deep mountains, mobile phone communication sometimes becomes unstable.
このパソコンはインターネットへの接続が不安定だ。
This computer's connection to the internet is unstable.
思春期は心身ともに不安定な時期だ。
Puberty is a period when both mind and body are unstable.
悪天候のため、通信回線が不安定になった。
Due to bad weather, the communication line became unstable.
そのピッチャーは立ち上がりが不安定だった。
That pitcher's start was unstable.
最近の不安定な経済状況について、専門家が議論を交わした。
Experts held a discussion about the recent unstable economic situation.

Usage Notes

Used to describe things that lack stability, such as emotions, weather, or economic conditions.

Sottaku

About Sottaku

Sottaku is an app for learning Chinese, Japanese, Korean, English, Spanish, French, German, and Italian with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.

Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.

Free Forever

Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.

Smart SRS System

Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.

Comprehensive Content

From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.

Community Chat

Ask level-appropriate questions and get help from the community. Learn together with fellow learners across all 8 supported languages.