\ ˈdrī-ˌrät How to pronounce dry-rot (audio) \
dry-rotted; dry-rotting; dry-rots

Definition of dry-rot

 (Entry 1 of 2)

transitive verb

: to affect with dry rot

intransitive verb

: to become affected with dry rot

dry rot


Definition of dry rot (Entry 2 of 2)

1a : a decay of seasoned timber caused by fungi that consume the cellulose of wood leaving a soft skeleton which is readily reduced to powder
b : a fungal rot of plant tissue in which the affected areas are dry and often firmer than normal or more or less mummified
2 : a fungus causing dry rot
3 : decay from within caused especially by resistance to new forces

Examples of dry-rot in a Sentence

Noun The windowsill was badly damaged by dry rot. Dry rot had eaten away part of the beam.
Recent Examples on the Web: Noun Soft spots may indicate wet or dry rot, especially if the floor above sags. Jim Gorman, Popular Mechanics, "The DIY Home Inspection Checklist," 30 Mar. 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dry-rot.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of dry-rot


1870, in the meaning defined at transitive sense


1795, in the meaning defined at sense 1a

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Time Traveler for dry-rot

Time Traveler

The first known use of dry-rot was in 1795

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Cite this Entry

“Dry-rot.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/dry-rot. Accessed 22 January 2020.

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More Definitions for dry-rot

dry rot


English Language Learners Definition of dry rot

: a condition in which wood is destroyed by a type of fungus

Comments on dry-rot

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