Synonyms and Antonyms for Sibling

Following is a list of 150 synonym words and phrases that are related to sibling:

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3 Letter Words

sibbro

4 Letter Words

peertwinsibsauntbabyheir

5 Letter Words

friarfrèrechildniecetwinsuncleelderadult

6 Letter Words

parentsistercousinmotherfathernephewfamilyspouseeldestinfantfriendauntiesharerin-lawrelliefellowshareeorphan

7 Letter Words

brotherhermanocousinssistersparentstriplettoddlersibshipnewbornparrentdiblingstepbroheritorstepsonyoungergenitor

8 Letter Words

brethrensisterlynestlingplymouthbrothershermanosplaymateparentaldaughterancestorneighboradoptiveroommateguardianrelativerelationclanmateflatmateco-uncle

9 Letter Words

brotherlyfraternaloffspringnonparentclassmateplaymatescompanionbirthmatestepuncleincestualco-parentbedfellowinheritorgroupmateloved one

10 Letter Words

grandchildschoolmatestepfatherstepmothergodsiblinghalf bloodhalf-unclegodbrotherdescendantco-brotherfatherlingsecondbornprogenitorstepnephewstep-uncleson-in-lawbirthchildmiddleborn

11 Letter Words

brotherhoodcounterpartgrandparentsiblinghoodstepbrotherstepsiblingbig brotherhalf cousinstep-nephewstep-cousinhalf nephewgrandnephewhalf orphanbirthparentnext of kingreat-uncleschoolchildgrandfriend

12 Letter Words

grandparentsfirst cousinbirth parentchild-in-lawdouble uncle

13 Letter Words

grandparentalfamily memberblood brotherparent-in-lawdouble cousinfamily friendcousin-in-law

14 Letter Words

sibling-in-lawbrother-in-lawblood relativeblood relationpaternal unclestepgrandchildkissing cousin

15 Letter Words

relative-in-lawbrother-out-lawlinear relativebrother-husband

16 Letter Words

adoptive siblingco-parent-in-law

17 Letter Words

co-brother-in-lawsignificant other

19 Letter Words

half brother-in-law

21 Letter Words

first-degree relative

22 Letter Words

second-degree relative

Using this list of similar-meaning words, you can choose the best synonyms to replace sibling in your sentences.

Additionally, you'll find antonyms included, perfect for when you need the complete opposite meaning of sibling in your writing.