adj · name · noun · 9 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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/ˈl(j)uːsɪd/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -uːsɪd
CMU ARPABET:L UW1 S AH0 D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Clear; easily understood.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Mentally rational; sane.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adj
Meaning 3
Bright, luminous, translucent, or transparent.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
name
Meaning 4
A surname from Irish.
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 lucid dream.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
adjective satellite
Meaning 6
(of language) transparently clear; easily understandable- Robert Burton
capable of thinking and expressing yourself in a clear and consistent manner
Definition source: Princeton WordNet 3.0
Examples
a lucid thinker
she was more coherent than she had been just after the accident
Meaning relationships
Synonyms: coherent, logical
Antonyms: none provided
9
adjective satellite
Meaning 9
having a clear mind
Definition source: Princeton WordNet 3.0
Examples
a lucid moment in his madness
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree Proto-Indo-European *lewk- Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Proto-Indo-European *lowkéyeti Proto-Italic *loukeō Proto-Indo-European *lewk-der. Proto-Italic *loukēō Latin lūceō Proto-Indo-European *dheh1-der. Proto-Italic *-iðos Latin -idus Latin lūcidus English lucid Latin lucidus, from lūceō (“shine”) + -idus.
Perhaps a variant of Lucey.
Across languages
Translations
96 source translations are retained for this English entry.