adj · name · noun · verb · 14 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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/sɪb/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -ɪb
CMU ARPABET:S IH1 B
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Having kinship or relationship; related by same-bloodedness; kindred.
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
Akin (to); similar (to).
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
Initialism of Special Investigation Branch.
Definition source: English Wiktionary via Wiktextract
Usage: UK, abbreviation, alt-of, initialism
Topics: government, military, politics, war
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
Kindred; kin; kinsmen; a body of persons related by blood in any degree.
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 kinsman; a blood relation; a relative, near or remote; one closely allied to another; an intimate companion.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
A sibling, brother or sister (irrespective of gender)
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
noun
Meaning 7
Any group of animals or plants sharing a corresponding genetic relation
Definition source: English Wiktionary via Wiktextract
Topics: biology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
noun
Meaning 8
A group of individuals unilaterally descended from a single (real or postulated) common ancestor
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
noun
Meaning 9
Initialism of self-injurious behavior.
Definition source: English Wiktionary via Wiktextract
From Middle English sib, from Old English sibb (“related, akin, sib”), from Proto-Germanic *sibjaz (“related”), from Proto-Indo-European *sebh-, *swebh- (“one's own”). Cognate with West Frisian besibbe (“related”), Middle Dutch sibbe (“related”), Middle Low German sibbe (“related”), Middle High German sippe (“related”), Icelandic sifi (“related”).
From Middle English sib, sibbe, from Old English sibb (“relationship; gossip; friendliness, kindness; love, friendship, peace, concord, unity, tranquility; peace of mind; a relative, kinsman, kinswoman”), from Proto-West Germanic *sibbju, from Proto-Germanic *sibjō (“kinship”), from Proto-Indo-European *sebh-, *swebh- (“one's own”). Cognate with West Frisian sibbe (“relative, family member”), Dutch sibbe (“sib”), German Sippe (“tribe, clan”), Icelandic sifjar (“in-laws”), Latin suus (“one's own”).
From Middle English *sibben, *sibbien, from Old English sibbian (“to make peace; rejoice”), from Proto-Germanic *sibjōną (“to reconcile”), Proto-Indo-European *sebh-, *swebh- (“one's own”). Cognate with German sippen (“to be in relationship with, become related to”).
From the abbreviation SIB, or self-injurious behavior, a behavior found in autism.