Definition of "cold fish" [cold fish]

• Informal An aloof person. (noun)

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.

• "“A dull and unpleasant man,” Odysseus said musingly, “yet I suppose even a cold fish like him must have a wife.”"