AnalyzerSentence analysis3SpansSentence不安定な石1000 character limitAnalyzeSentence不ふ安あん定ていな石いしSpan Details不ふ安あん定ていunstable; insecure; precariousna-adjective, nounなadnominal form of the copula after a na-adjectivegrammar石いしstone; rock; pebble; jewel; precious stone; flint (in a lighter); game piece; stone (in go); disc (in Othello); stone (in the body); calculusnoun