Standard Lemma guide

moronic

adj · 3 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /mɔːˈɹɒnɪk/
  • US: /mɔɹˈɑnɪk/
  • US: Recorded audio is listed in the source snapshot.
  • Australia: Recorded audio is listed in the source snapshot.
  • rhymes with -ɒnɪk

1

adj

Meaning 1

Having a mental age of between seven and twelve years.

Definition source: English Wiktionary via Wiktextract

Usage: dated

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Behaving in the manner of a moron; idiotic; stupid.

Definition source: English Wiktionary via Wiktextract

Usage: informal

Examples

  • moronic behavior

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

having a mental age of between eight and twelve years

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English moron Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English moronic From moron + -ic.

Across languages

Translations

16 source translations are retained for this English entry.

  • German: geistig zurückgeblieben — having a mental age
  • Swedish: efterbliven — having a mental age
  • Swedish: debil — having a mental age
  • Swedish: sinnesslö — having a mental age
  • Dutch: achterlijk — behaving in the manner of a moron
  • Dutch: debiel — behaving in the manner of a moron
  • Dutch: imbeciel — behaving in the manner of a moron
  • Dutch: zwakzinnig — behaving in the manner of a moron
  • Dutch: idioot — behaving in the manner of a moron
  • German: schwachsinnig — behaving in the manner of a moron
  • German: debil — behaving in the manner of a moron
  • German: bescheuert — behaving in the manner of a moron
  • German: idiotisch — behaving in the manner of a moron
  • Ancient Greek: βεβρός (bebrós) — behaving in the manner of a moron
  • Spanish: morón — behaving in the manner of a moron
  • Ottoman Turkish: بوك (buñ) — behaving in the manner of a moron