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
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Received-Pronunciation:/ˈluː.dɪ.kɹəs/
Received-Pronunciation:/ˈljuː.dɪ.kɹəs/
US:/ˈluː.dɪ.kɹəs/
UK:Recorded audio is listed in the source snapshot.
US:Recorded audio is listed in the source snapshot.
Australia:Recorded audio is listed in the source snapshot.
CMU ARPABET:L UW1 D AH0 K R AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Idiotic or unthinkable, often to the point of being funny; amusing by being plainly incongruous or absurd.
Definition source: English Wiktionary via Wiktextract
Examples
He made a ludicrous attempt to run for office.
Meaning relationships
Synonyms: laughable, ridiculous, risible
Antonyms: none provided
2
adjective satellite
Meaning 2
broadly or extravagantly humorous; resembling farce
Definition source: Princeton WordNet 3.0
Examples
the wild farcical exuberance of a clown
ludicrous green hair
Meaning relationships
Synonyms: farcical, ridiculous
Antonyms: none provided
3
adjective satellite
Meaning 3
incongruous;inviting ridicule
Definition source: Princeton WordNet 3.0
Examples
the absurd excuse that the dog ate his homework
that's a cockeyed idea
ask a nonsensical question and get a nonsensical answer
a contribution so small as to be laughable
it is ludicrous to call a cottage a mansion
a preposterous attempt to turn back the pages of history
her conceited assumption of universal interest in her rather dull children was ridiculous