Phrase guide

full retard

noun · 2 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

A state of engaging in extreme levels of stupidity.

Definition source: English Wiktionary via Wiktextract

Usage: derogatory, offensive, slang, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The setting on a magneto when the ignition spark occurs as late as possible, just before the piston reaches top dead center.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Qualifier: machinery

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From the 2008 film Tropic Thunder, in which "going full retard" is used to describe an actor growing to identify too much with the mentally subnormal character he played.