verb \ˈrät\

: to slowly decay or cause (something) to decay


Full Definition of ROT

intransitive verb
a :  to undergo decomposition from the action of bacteria or fungi
b :  to become unsound or weak (as from use or chemical action)
a :  to go to ruin :  deteriorate
b :  to become morally corrupt :  degenerate
transitive verb
:  to cause to decompose or deteriorate with or as if with rot

Examples of ROT

  1. The wood had rotted away.
  2. The apples were left to rot.
  3. the smell of rotting garbage
  4. Eating too much candy can rot your teeth.

Origin of ROT

Middle English roten, from Old English rotian; akin to Old High German rōzzēn to rot
First Known Use: before 12th century



: the process of rotting or the condition that results when something rots

: foolish words or ideas

Full Definition of ROT

a :  the process of rotting :  the state of being rotten :  decay
b :  something rotten or rotting
a archaic :  a wasting putrescent disease
b :  any of several parasitic diseases especially of sheep marked by necrosis and wasting
c :  plant disease marked by breakdown of tissues and caused especially by fungi or bacteria
:  nonsense —often used interjectionally

Examples of ROT

  1. They found a lot of rot in the house's roof.
  2. That's a lot of rot!

First Known Use of ROT

14th century


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