hysterical

adjective

hys·​ter·​i·​cal hi-ˈster-i-kəl 

1

or less commonly hysteric

hi-ˈster-ik 

: of, relating to, or marked by hysteria

hysterical conditions

2

: feeling or showing extreme and unrestrained emotion

hysterical fans

There's always a line where you don't want to be the hysterical parent yelling and demanding things because you fear it will do more harm than good …

—cafemom.com

3

informal : very funny

a hysterical movie/joke

hysterically

hi-ˈster-i-k(ə-)lē 

adverb

Synonyms of hysterical

• funny
• humorous
• comedic
• amusing
• comical
• ridiculous
• comic
• hilarious

Examples of hysterical in a Sentence

some of the things little kids come out with are hysterical

the police officer assured the mother that there was no need to get hysterical, for most missing children are found safe and sound

upon hearing the announcement that a shark had been sighted, hysterical beachgoers raced out of the water

Recent Examples on the Web

Some 5,000 actresses were considered amid months of hysterical media prognosticating on who would wear the invisible halo next. — Michael Callahan, HollywoodReporter, 11 Sep. 2026

At the same time, Fjord is nonjudgmental in its depiction of a blossoming romance between two girls, and protesters who come to support the Romanian family are shown as hysterical too, spray-painting warnings about Satan outside the local school. — Madeline Leung Coleman, Vulture, 8 Sep. 2026

This comic novel is set in a hysterical vision of the year 2045, in which what was once the United States has been split apart by a civil war between liberals and a MAGA-like rebel group. — The New Yorker, New Yorker, 7 Sep. 2026

An operator answers a call from a hysterical woman begging for help. — Aramide Tinubu, Variety, 20 Aug. 2026

Word History

First Known Use

1603, in the meaning defined at sense 1

Rhymes for hysterical

• chimerical
• numerical
• anticlerical
• hemispherical
• clerical
• spherical

Kids Definition

hysterical

adjective

hys·​ter·​i·​cal his-ˈter-i-kəl 

1

: of, relating to, or marked by hysteria

2

: feeling or showing unrestrained emotion

hysterical fans

3

informal : very funny

hysterically

-i-k(ə-)lē 

adverb

Medical Definition

hysterical

adjective

hys·​ter·​i·​cal -ˈter-i-kəl 

variants also hysteric

-ˈter-ik 

: of, relating to, or marked by hysteria

during hysterical conditions various functions of the human body are disordered

—Morris Fishbein

hysterically

-i-k(ə-)lē 

adverb