sub·​in·​hib·​i·​to·​ry ˌsəb-in-ˈhi-bə-ˌtȯr-ē How to pronounce subinhibitory (audio)
: not producing inhibition (as of bacterial growth) : not completely inhibitory
nonlethal, subinhibitory concentrations of antibiotics

Word History

First Known Use

1923, in the meaning defined above

Time Traveler
The first known use of subinhibitory was in 1923

Dictionary Entries Near subinhibitory

Cite this Entry

“Subinhibitory.” Dictionary, Merriam-Webster, Accessed 30 Sep. 2023.

Medical Definition


sub·​in·​hib·​i·​to·​ry ˈsəb-in-ˈhi-bə-ˌtȯr-ē How to pronounce subinhibitory (audio)
: being or containing a concentration that is below one capable of inhibiting the detectable growth and replication of a microorganism
subinhibitory concentrations of antimicrobial agents
subinhibitory antibiotics
subinhibitory doses
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