English Reference
Noun

arousal

n. uncountable
C1 Advanced US /ɝˈaʊzəɫ/ UK /ɐɹˈaʊsəl/ arousal UK spelling arousals

n.a state of being awake, alert, and physically active. It can also mean a feeling of excitement or sexual interest.

n.a physiological and psychological state of being awake or reactive to stimuli. Refers to the activation of the reticular activating system in the brain, leading to increased heart rate and blood pressure.


SIMPLE

The loud music caused a high level of arousal in the crowd.

CONTEXTUAL

Psychologists study how emotional arousal affects a person's ability to remember specific details of a stressful event.

COMPLEX

The Yerkes-Dodson law suggests that performance increases with physiological or mental arousal, but only up to a point; when levels become too high, performance actually begins to decrease.

Usage

Often used in medical, psychological, or sexual contexts; frequently paired with 'emotional', 'physiological', or 'sexual'.

Usage emotional arousal

Likewise, "rage" and "sadness" are both unpleasant emotions, yet they also differ in arousal.

Phys.org· 19 Aug 2026

Two of the main ways exercise can upgrade your sex life are that your body gets better at arousal and your mind less likely to interrupt it.

The Guardian· 16 Aug 2026

From arouse + -al.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Occasional
Updated