isometric
adjective
iso·met·ric
ˌī-sə-ˈme-trik 
1
: of, relating to, or characterized by equality of measure
especially
: relating to or being a crystallographic system characterized by three equal axes at right angles
2
: of, relating to, involving, or being muscular contraction (as in isometrics) against resistance, without significant shortening of muscle fibers, and with marked increase in muscle tone compare isotonic
Examples of isometric in a Sentence
Recent Examples on the Web
Planks are considered isometric exercises, meaning the position remains static (another example is a wall sits or dead hangs).
—
Jenny McCoy, Outside, 23 Mar. 2026
In truth, each Fallout game offers something different, and different players will vibe with different titles, whether that's the older isometric RPGs, the newer first-person titles, or even some of the spinoffs.
—Fran Ruiz, Space.com, 15 Dec. 2025
Changing tempo with slower reps, pauses at the bottom or top of an exercise, and isometric holds all increase time under tension.
—Dana Santas, CNN Money, 12 Dec. 2025
Then began the slow process of reactivating her leg muscles, like her quads and glutes, first by just flexing them while seated, next involving resistance bands and eventually isometric moves like wall sits and lunges.
—Erica Sloan, SELF, 4 Dec. 2025
See All Example Sentences for isometric
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Jenny McCoy, Outside, 23 Mar. 2026
In truth, each Fallout game offers something different, and different players will vibe with different titles, whether that's the older isometric RPGs, the newer first-person titles, or even some of the spinoffs.
—Fran Ruiz, Space.com, 15 Dec. 2025
Changing tempo with slower reps, pauses at the bottom or top of an exercise, and isometric holds all increase time under tension.
—Dana Santas, CNN Money, 12 Dec. 2025
Then began the slow process of reactivating her leg muscles, like her quads and glutes, first by just flexing them while seated, next involving resistance bands and eventually isometric moves like wall sits and lunges.
—Erica Sloan, SELF, 4 Dec. 2025
See All Example Sentences for isometric
Cite this Entry
“Isometric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isometric. Accessed 1 Apr. 2026.
Copy CitationKids Definition
isometric
adjective
iso·met·ric
ˌī-sə-ˈme-trik
: of, relating to, or being muscular contraction of the kind that takes place in doing isometrics
Medical Definition
isometric
adjective
iso·met·ric
ˌī-sə-ˈme-trik
1
: of, relating to, or characterized by equality of measure
especially
: relating to or being a crystallographic system characterized by three equal axes at right angles
2
: of, relating to, involving, or being muscular contraction (as in isometrics) against resistance, without significant change of length of muscle fibers, and with marked increase in muscle tone compare isotonic sense 2
3
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