Examples from the Web for unstable
You lethargic, unfocused, unstable, lazy, hazy, crazy time of year.
The initial result was negative, but much of the area was still on fire and too unstable to search.My Building Exploded. I Survived: Harlem Miracle Man Tells His Story|Michael Daly|March 13, 2014|DAILY BEAST
Erica is the foil to the unstable, decaying Beth—a kind, virtuous, smooth-skinned girl next door.Anna Kendrick: Queen Bee of the 2014 Sundance Film Festival|Marlow Stern|January 23, 2014|DAILY BEAST
The value may be unstable, but it has trended mainly up and to the right, with crashes followed by climbs past the previous high.
We know that Dana is unstable, just based on her having tried to kill herself.‘Homeland’ Star Morgan Saylor: TV’s Most Hated Character Talks Back|Andrew Romano|October 7, 2013|DAILY BEAST
How helplessly one wades in the shifting, unstable footing—tumbling over with a touch, like a house built of cards!The Rectory Children|Mrs Molesworth
It will become stable or unstable exactly as trade or profession becomes stable or unstable.The Business of Being a Woman|Ida M. Tarbell
No longer interlaced with the unstable theological, they neither abide nor perish with it.Pioneers of Evolution from Thales to Huxley|Edward Clodd
Walking giddily along the unstable, sliding earth, she allowed him to guide her to the old stone seat on the south terrace.Shadows of Flames|Amelie Rives
Then block by unstable block he seemed to rebuild a new world about him, a new world which was both narrow and empty.The Shadow|Arthur Stringer
British Dictionary definitions for unstable
- (of an elementary particle) having a very short lifetime
- spontaneously decomposing by nuclear decay; radioactivean unstable nuclide
Word Origin and History for unstable
early 13c., "apt to move," from un- (1) "not" + stable (adj.). Cf. Middle High German unstabel. Meaning "liable to fall" is recorded from c.1300; sense of "fickle" is attested from late 13c. An Old English word for this was feallendlic, which might have become *fally.