Definition of "overtrain" [overtrain]

• To train too much: a coach who overtrained the athletes before the championship. (verb-transitive)
• To engage in excessive training: a boxer who overtrained. (verb-intransitive)

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.

• "Casting director Deena Katz says they know their limits and don't "overtrain" like some others do."
• "When you overtrain and overstress your body, the side effects can include progressive loss of strength, tiredness, loss of appetite, disrupted sleep, loss of motivation, and irritability."
• "What not to do: Do not overtrain by lifting too much weight or performing too many repetitions or sets of exercises."