instable

[ in-stey-buh l ]
/ ɪnˈsteɪ bəl /

adjective

not stable; unstable.

Origin of instable

First recorded in 1375–1425; late Middle English word from Latin word instabilis. See in-3, stable2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for instable

British Dictionary definitions for instable

instable

/ (ɪnˈsteɪbəl) /

adjective

a less common word for unstable
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012