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
From a physiological standpoint, exercising works to break down the muscle with the intention of rebuilding it.
—
Caroline C. Boyle, USA Today, 22 Feb. 2026
Sleep requires the body to cool down At the physiological level, the mechanism is straightforward.
—Christopher McFadden, Interesting Engineering, 21 Feb. 2026
The neurotransmitters issue physiological calls and responses, which turn into an athlete’s physical execution under pressure.
—Sally Jenkins, The Atlantic, 21 Feb. 2026
Some speculation has existed about whether the basic physiological processes necessary for intercourse, particularly for men, might be compromised by microgravity.
—Literary Hub, 20 Feb. 2026
See All Example Sentences for physiological
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Caroline C. Boyle, USA Today, 22 Feb. 2026
Sleep requires the body to cool down At the physiological level, the mechanism is straightforward.
—Christopher McFadden, Interesting Engineering, 21 Feb. 2026
The neurotransmitters issue physiological calls and responses, which turn into an athlete’s physical execution under pressure.
—Sally Jenkins, The Atlantic, 21 Feb. 2026
Some speculation has existed about whether the basic physiological processes necessary for intercourse, particularly for men, might be compromised by microgravity.
—Literary Hub, 20 Feb. 2026
See All Example Sentences for physiological
Cite this Entry
“Physiological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/physiological. Accessed 23 Feb. 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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