Idioms

    smell a rat. rat(def 6).

Origin of smell

1125–75; early Middle English smell, smull (noun), smellen, smullen (v.) < ?

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for smell up

smell

/ (smɛl) /

verb smells, smelling, smelt or smelled

noun

Derived Forms

smeller, noun

Word Origin for smell

C12: of uncertain origin; compare Middle Dutch smölen to scorch
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for smell up

smell

[ smĕl ]

v.

To perceive the scent of something by means of the olfactory nerves.

n.

The sense by which odors are perceived; the olfactory sense.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Idioms and Phrases with smell up (1 of 2)

smell up


Also, stink up. Cause a bad odor, as in These onions smell up the whole house, or Your old sneakers are stinking up the closet; throw them out. [Mid-1900s]

Idioms and Phrases with smell up (2 of 2)

smell


In addition to the idioms beginning with smell

  • smell a rat
  • smell fishy
  • smell to high heaven
  • smell up

also see:

  • come up (smelling like) roses
  • stink (smell) to high heaven
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.