“The term for a displaced boulder is an erratic, but in the nineteenth century, the expression seemed to apply more often to the theories than to the rocks.”

“Such erraticism and frivolity is very evident in the American coverage of the economy.”

“Her voice, even her laughter showed signs of hidden anxiety and an erraticism of behavior not previously apparent.”

“Working for Casey was a trial for everybody, partly because of his growing erraticism and partly because of his own rightwing tendencies.”

“I stayed off the glacier, stumbling down the left moraine, often catching myself with my arms just before slamming into glacial erratics.”

“In the absence of other sources of building stone, glacial erratics have been extensively used in Finland and northern Poland.”

“Large erratics line the river and lakes from the headwaters to Irving Lake.”