physiological

adjective

phys·​i·​o·​log·​i·​cal ˌfi-zē-ə-ˈlä-ji-kəl 

variants or physiologic

ˌfi-zē-ə-ˈlä-jik 

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

physiologically

ˌfi-zē-ə-ˈlä-ji-k(ə-)lē 

adverb

Examples of physiological in a Sentence

Recent Examples on the Web

Hormonal and physiological changes that come with age can affect body composition, bone health and recovery, Torres said, but that doesn’t mean people should shy away from challenging workouts. — Olivia Laborde, AJC.com, 14 Sep. 2026

There also are no specific physiological reactions associated with lying. — Brian O'Neill, The Conversation, 10 Sep. 2026

Many elite clubs perform physiological testing on players at a very young age and make decisions about their academy pathway, or lack of it, accordingly. — Jacob Whitehead, New York Times, 9 Sep. 2026

The young animals just don’t have that same physiological capacity, perhaps, or just not the long-term knowledge that a more seasoned adult animal would have. — Lila Seidman, Los Angeles Times, 8 Sep. 2026

Word History

First Known Use

1704, in the meaning defined at sense 1

Phrases Containing physiological

• physiological psychology
• physiological saline

Rhymes for physiological

• astrological
• biological
• christological
• chronological
• cosmological
• cytological
• dialogical
• ecological
• ethnological
• ethological
• geological
• histological

Kids Definition

physiological

adjective

phys·​i·​o·​log·​i·​cal ˌfiz-ē-ə-ˈläj-i-kəl 

variants or physiologic

-ˈläj-ik 

1

: of or relating to physiology

2

: characteristic of healthy or normal functioning of the body

physiologically

-i-k(ə-)lē 

adverb

Medical Definition

physiological

adjective

phys·​i·​o·​log·​i·​cal ˌfiz-ē-ə-ˈläj-i-kəl 

variants or physiologic

-ik 

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

physiologically

-i-k(ə-)lē 

adverb