adv · name · noun · 8 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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/ɛs aɪ diː/
/sɪd/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -ɪd
Australia:Recorded audio is listed in the source snapshot.
CMU ARPABET:S IH1 D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adv
Meaning 1
once a day, such as for the administration of medication. From Latin semel in die.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: medicine, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
name
Meaning 2
A short form of the male given names Sidney and Siddhartha.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
name
Meaning 3
Alternative form of Syd (“unisex given name”).
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, alternative
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
name
Meaning 4
A minor river in East Devon, England, which flows into the English Channel at Sidmouth.
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
sadiki
Definition source: English Wiktionary via Wiktextract
Usage: slang, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
Abbreviation of security identifier.
Definition source: English Wiktionary via Wiktextract