suboptimal
Americanadjective
Usage
What does suboptimal mean? Suboptimal means below the optimal (best possible) level or standard. The words optimal and optimum both describe an ideal or perfect level, degree, result, or similar thing. Suboptimal means something has fallen short of that level. It is often used in phrases like suboptimal performance and suboptimal conditions. Example: The patient’s heart is performing at a suboptimal level.
Etymology
Origin of suboptimal
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
After three suboptimal innings, Glasnow settled down in a trust-building exercise of an outing against the Giants and their triple A-caliber lineup.
From Los Angeles Times ● Sep. 19, 2026
Speaking recently to the No Laying Up podcast, USGA's John Bodenhamer, the man responsible for course set-up this year accepted the previous conditions had been suboptimal but insisted they had "learned a lot".
From BBC ● Jun. 18, 2026
“Individual stories of altered and suboptimal miscarriage management emerged quickly in the days following Dobbs, including several overtly tragic examples,” he said.
From Salon ● May 26, 2026
“There’s a recognition that this is a hassle, this is suboptimal, we don’t want the war,” Ladner said.
From The Wall Street Journal ● Apr. 13, 2026
“Cadence! I really need to just start over. This is going from suboptimal down to total crap.”
From "We Were Liars" by E. Lockhart
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
