: tending to be more virulent than average
—used especially of strains of diphtheria bacilli
see icterus gravis, icterus gravis neonatorum, myasthenia gravis compare intermedius, mitis
Cite this Entry
“Gravis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/gravis. Accessed 3 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share