noun
rona
ROH-nuh
noun
1
Slang for COVID-19 or the coronavirus.
"Half the office caught the rona last winter."
How to Use Rona
Learner’s notesIn plain EnglishInformal slang for COVID-19.
When to use it
Very informal — used in casual speech and social media, not in medical or formal writing.
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Half the office caught the _____ last winter.
Etymology
A casual clipping of "corona," itself short for "coronavirus."