suboptimal

adjective

sub·​op·​ti·​mal
ˌsəb-ˈäp-tə-məl
 How to pronounce suboptimal (audio)
variants or sub-optimal
: less than optimal : not at the best possible level
suboptimal performance
suboptimal conditions/results/solutions
received suboptimal care
… such is life at the sharp end of evolution, where the pursuit of self-interest frequently leads to suboptimal outcomes for all concerned.The Economist
Training at sub-optimal levels fatigues you and wastes time you could have spent at the high levels you hope to achieve.Rick Crawford
suboptimally adverb
or sub-optimally
… countless companies perform suboptimally. They fail to capitalize on a unique competitive advantage. Erik Matson

Examples of suboptimal in a Sentence

yes, living on junk food generally means that you have a suboptimal diet
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.
None of these goals can be realized following the suboptimal landing, but data returned from MAPP's time in transit to the moon, in lunar orbit and on the surface validated a range of systems and components that will be useful for Lunar Orbit's upcoming missions. Andrew Jones, Space.com, 11 Mar. 2025 Given suboptimal vaccine rates among children in Texas and rising vaccine hesitancy in the United States, clear and effective message is crucial in curbing the spread of measles. Omer Awan, Forbes, 7 Mar. 2025 Basically every Ranger looked bad, which seems suboptimal. Sean McIndoe, The Athletic, 24 Feb. 2025 Inevitably, that leads to suboptimal solutions with less efficiency and scalability. Natan Linder, Forbes, 4 Mar. 2025 See All Example Sentences for suboptimal

Word History

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of suboptimal was in 1901

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Cite this Entry

“Suboptimal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/suboptimal. Accessed 24 Mar. 2025.

Medical Definition

suboptimal

adjective
sub·​op·​ti·​mal ˌsəb-ˈäp-tə-məl How to pronounce suboptimal (audio)
: less than optimal
a suboptimal diet
a suboptimal dose of a drug
Last Updated: - Updated example sentences
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