physiological
adjective
phys·i·o·log·i·cal
ˌfi-zē-ə-ˈlä-ji-kəl 
variants
or physiologic
1
: of or relating to physiology
2
: characteristic of or appropriate to an organism's healthy or normal functioning
the sodium level was physiological
3
: differing in, involving, or affecting physiological factors
a physiological strain of bacteria
Examples of physiological in a Sentence
Recent Examples on the Web
Its inspiration was the brain’s own, natural physiological functioning.
—
New Atlas, 2 Jan. 2026
Plaintiff was also harmed as a result of the stress of losing his job his health deteriorated causing major physiological damage.
—Tracy Wright, FOXNews.com, 1 Jan. 2026
The ups-and-downs trigger physiological stress.
—Mónica Heras, Vogue, 30 Dec. 2025
Altitude Chambers As a result of physiological adaptations in response to decreased oxygen (known as hypoxia), altitude training can increase strength, VO2 max, power output, and lactate threshold.
—Chelsey Stone, Outside, 26 Dec. 2025
See All Example Sentences for physiological
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New Atlas, 2 Jan. 2026
Plaintiff was also harmed as a result of the stress of losing his job his health deteriorated causing major physiological damage.
—Tracy Wright, FOXNews.com, 1 Jan. 2026
The ups-and-downs trigger physiological stress.
—Mónica Heras, Vogue, 30 Dec. 2025
Altitude Chambers As a result of physiological adaptations in response to decreased oxygen (known as hypoxia), altitude training can increase strength, VO2 max, power output, and lactate threshold.
—Chelsey Stone, Outside, 26 Dec. 2025
See All Example Sentences for physiological
Cite this Entry
“Physiological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/physiological. Accessed 11 Jan. 2026.
Copy CitationKids Definition
physiological
adjective
phys·i·o·log·i·cal
ˌfiz-ē-ə-ˈläj-i-kəl
variants
or physiologic
1
: of or relating to physiology
2
: characteristic of healthy or normal functioning of the body
Medical Definition
physiological
adjective
phys·i·o·log·i·cal
ˌfiz-ē-ə-ˈläj-i-kəl
variants
or physiologic
1
: of or relating to physiology
2
: characteristic of or appropriate to an organism's healthy or normal functioning
3
: differing in, involving, or affecting physiological factors
a physiological strain of bacteria
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