noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   plural of ar form-of, plural
2. 2
   Initialism of acute radiation syndrome. abbreviation, alt-of, initialism, uncountable
3. 3
   plural of AR form-of, plural
4. 4
   Alternative letter-case form of ars. alt-of
5. 5
   Initialism of acute retroviral syndrome. abbreviation, alt-of, initialism, uncountable

Synonyms

All synonyms

acute retroviral syndrome

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