Definition of "motile" [mo•tile]

• Biology Moving or having the power to move spontaneously: motile spores. (adjective)
• Psychology Of or relating to mental imagery that arises primarily from sensations of bodily movement and position rather than from visual or auditory sensations. (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.

• "Crowds are mobile, but they are also motile, that is to say, fickle."
• "Apparently most people do, including the author, who nevertheless marvels how almost 90 percent of American nuclear households have multiple cell phones, despite the fact that studies keep demonstrating cell phone use by men is associated with less "motile" sperm."
• "Apparently most people do, including the author, who nevertheless marvels how almost 90 percent of American nuclear households have multiple cell phones, despite the fact that studies keep demonstrating cell phone use by men is associated with less 'motile' sperm."