Definition of "erratic" []

• Having no fixed or regular course; wandering. (adjective)
• Lacking consistency, regularity, or uniformity: an erratic heartbeat. (adjective)
• Deviating from the customary course in conduct or opinion; eccentric: erratic behavior. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In primaries McCain claimed and denounced the same multiple times, earning the title erratic"
• "Senator Obama accused McCain of what he called erratic behavior."
• "Murerwa said the shortage of foreign currency had been worsened by what he called the erratic distribution of balance of payment support by the international community."