Phrase guide

rain man

noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

An autistic, or mentally and/or socially impaired person.

Definition source: English Wiktionary via Wiktextract

Usage: derogatory

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A non-autistic or impaired person whose mannerisms are similar to such people.

Definition source: English Wiktionary via Wiktextract

Usage: derogatory

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An expert at something.

Definition source: English Wiktionary via Wiktextract

Usage: humorous

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A man who is believed to have power to control the rain.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A spirit of the rain.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From the 1988 film Rain Man, about an autistic man with the name Raymond, misinterpreted as “Rain man” by his brother in childhood.

From rain + man.