Definisi : 2. unpredictable, mudah berubah hati, tdk tetap pendirian: a ~ person, subject to sudden changes of mood, orang yg tdk tetap pendirian yg selalu mengikut anginnya; 3. liable to sudden, unexpected change, sentiasa bergolak: the situation in the Middle East is highly ~, keadaan di Timur Tengah sentiasa bergolak hebat; 4. (of trading conditions etc) unstable, turun naik: the stock-market being so ~, it is best not to invest, pasaran saham sedang turun naik, jadi lebih baik jangan melabur sekarang. (Kamus Inggeris-Melayu Dewan)
Definisi : adj 1. easily changing into a gas, mudah meruap: aviation fuel is highly ~, bahan api penerbangan sangat mudah meruap; (Kamus Inggeris-Melayu Dewan)