A figure of speech in which two essentially unlike things are compared, often in a phrase introduced by like or as, as in "How like the winter hath my absence been" or "So are you to my thoughts as food to life" (Shakespeare).
[Middle English, from Latin, likeness, comparison, from neuter of similis, like; see SIMILAR.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.