(あぶ)ない

あぶない
adjective (i-adjective)
dangerous
1. dangerous, hazardous
Involving or causing risk of harm or injury.
ここ(あぶ)ないです
This place is dangerous.
(あぶ)ない!(くるま)()ます
Watch out! A car is coming!
Used as a warning exclamation
Walking alone at night is dangerous.
Knives are dangerous, so please be careful.
The children were playing near the river, and I thought it was dangerous. I stopped them right away.
2. risky, precarious
Uncertain or unstable, potentially leading to a bad outcome.
That idea is risky.
This plan might be risky.
I think that approach is risky.
The test was risky, but I somehow passed.
Meaning: was close to failing
My current company might be in trouble. I think I should look for a new job.

(あぶ)ない is an い-adjective meaning dangerous or risky. Often used as a warning exclamation.

USAGE AS EXCLAMATION:
(あぶ)ない! (Watch out! Danger!) — used to warn someone of immediate danger.

GRAMMAR PATTERNS:

  • (あぶ)なく〜するところだった (almost did something bad / had a close call)

Example: (あぶ)なく遅刻(ちこく)するところだった (I almost was late)

  • (あぶ)ないから〜 (because it's dangerous...)
  • 〜のは(あぶ)ない (doing ~ is dangerous)

SENSE 2 (Risky/Precarious):
Used for unstable situations: 会社(かいしゃ)(あぶ)ない (the company is in trouble), テストが(あぶ)なかった (the test was a close call).

SIMILAR WORDS:

  • 危険(きけん): danger/dangerous (more formal, na-adjective/noun)
  • 物騒(ぶっそう): unsafe, disturbing (for areas/situations)
  • ヤバい: risky, dangerous (slang, also means 'awesome')