name, noun, slang ·Moderate ·College level

Definitions

Noun

1. 1
   A bubble of lather or foam (the singular of suds). informal

   "There is a beer sud parked on her upper lip."

2. 2
   Acronym of subjective unit of disturbance. abbreviation, acronym, alt-of
3. 3
   Acronym of substance use disorder. abbreviation, acronym, alt-of
4. 4
   Acronym of sudden unexplained death. abbreviation, acronym, alt-of

Proper Noun

1. 1
   A department in Haiti.

Synonyms

All synonyms

aeratebeatcreamfoamfrothlather

Example

More examples

"There is a beer sud parked on her upper lip."

Etymology

From a variation of sod, itself a shortening of sodden. Related to seethe.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.