Definition of "thumbs-down" [thumbs-down]

• An act, instance, or sign of disapproval. (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.

• "You gave thumbs-up for your favorite questions and thumbs-down for the ones you liked least."
• "If that's the case, then at least one of the eight ex-players on the committee -- Whitey Herzog, Frank Robinson, Tony Perez, Jim Palmer, Johnny Bench, Eddie Murray, Ozzie Smith, and Ryne Sandberg -- gave a thumbs-down to Miller."
• "A favorable nod to a strapping African-American fellow (quirky music to make us think she LIKES-likes him), but thumbs-down to a dude who's grown his hair into a Marlo Thomas flip."