erratic

in a sentence

The planet currently harbours only a variety of viscous green filigree and a large number of eccentrically shaped globules of semi-liquid mud, which are tumbled hither and thither by the erratic currents of the light, transparent fluid that covers the planet's surface.  (source) Margaret Atwood, The Blind Assassin, 2000

From that day on, both his victims and his fellow Japanese would ponder his violent, erratic behavior and disagree on its cause.  (source) Laura Hillenbrand, Unbroken, 2010

Their adopted tree shed water erratically; without warning, a chilly gush would cascade through the core of the tree and onto their backs.  (source) David Wroblewski, The Story of Edgar Sawtelle, 2008

She was furious, and when she was furious Calpurnia's grammar became erratic.  (source) Harper Lee, To Kill a Mockingbird, 1960

Sophie's skin was deathly white, and although her eyes were closed, her eyeballs moved erratically beneath her lids, and she twitched as if she was having a nightmare.†  (source) Michael Scott, The Alchemyst, 2007

And at the same time noting his light gray suit, his new straw hat, his brightly polished shoes and the dark tan suitcase and (strange, equivocal, frivolous erraticism of his in this instance) the tripod of a recently purchased camera together with his tennis racquet in its canvas case strapped to the side—more than anything to conceal the initials C. G.—she was seized with much of her old-time mood and desire in regard to his looks and temperament.†  (source) Theodore Dreiser, An American Tragedy, 1925

Despite the return to a familiar home, Mom's behavior grew increasingly erratic.†  (source) J. D. Vance, Hillbilly Elegy, 2016

She said that you had behaved erratically, in an unstable manner, in the past.†  (source) Paula Hawkins, The Girl on the Train, 2015

As if, despite her brother's erratic studies and carefree ways, the world had yet to catch a glimpse of the man he was bound to become.†  (source) Amor Towles, A Gentleman in Moscow, 2016

He steers erratically, artificially pumped muscles not fully under his control.†  (source) Neal Stephenson, Snow Crash, 1992

Then he started hallucinating and exhibiting increasingly bizarre and erratic behavior.†  (source) Bryan Stevenson, Just Mercy, 2014

The cops said he was driving erratically.†  (source) Malcolm Gladwell, Blink, 2005

Not only that, the gun was erratic in the amount of residue it threw off!†  (source) John Berendt, Midnight in the Garden of Good and Evil, 1994