1
: having a tapered but not sharply pointed form
subacute leaves
2
a
: falling between acute and chronic in character especially when closer to acute
subacute endocarditis
b
: less marked in severity or duration than a corresponding acute state
subacute pain
subacutely adverb

Examples of subacute in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In those who develop symptoms, the infection is generally subacute. Brigid Dwyer, Verywell Health, 2 July 2024 An acute cough lasts no longer than three weeks, while a subacute cough lasts from three to eight weeks.2 Acute coughs also tend to be less serious, clear up on their own, and do not require a visit to a healthcare provider. Claire Gillespie, Health, 17 Mar. 2024

Word History

First Known Use

1752, in the meaning defined at sense 1

Time Traveler
The first known use of subacute was in 1752

Cite this Entry

“Subacute.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subacute. Accessed 12 Apr. 2025.

Medical Definition

1
: falling between acute and chronic in character especially when closer to acute
subacute endocarditis
2
: less marked in severity or duration than a corresponding acute state
subacute pain
subacutely adverb
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