Synonyms and Antonyms for Undefined

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

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4 Letter Words

null

5 Letter Words

vagueemptyblank

6 Letter Words

definefalsey

7 Letter Words

unknownuncleardefinedinvalidmutablenullarynonnullimplieduntamed

8 Letter Words

unsortedinfinitedefiningnebulousunformedundefineunparsedvariableunmappeduntestedinchoateunshapedunstablenounlessnamelessunvaluedundefiednodelesstypeless

9 Letter Words

unlimitedimpreciseuncertainambiguousunboundedamorphousunsettledvaguenessarbitraryprimitivespecifiedignorableunpolicedimagelessnonvalued

10 Letter Words

open-endedinaccurateindefiniteunknowableundeclaredunassignedunanalysedunmeasuredindistinctilldefinedunmappableungovernedunrealizedunexploredinexistentoverriddennondefinedcourselessobjectlessfigurelesssyntaxlessmemberlessinfinitivevalue-free

11 Letter Words

indefinableundefinableunspecifiedunallocatedill-definedunevaluatedunreachablenonexistentunfulfilledunsupportedungraspableundescribedundisclosednonexistingunclarifiedunconnectedinscrutabledefinednessirreducibleoverridableunregulatedundecidableunexplainedmeaninglessnondefiningcontentlesshistorylessinessentialsubjectless

12 Letter Words

unidentifiedundeterminedunrecognizedunrecognisedunelaboratedunmeasurableuncontrolledinexplicableunassignableunformulatedunquantifiedinconsistentunmodifiableundocumenteduncalculatednormalizablenondefinablefunctionless

13 Letter Words

indeterminateunimplementedunestablishedunconstraineduninitializedextensionlessuninterpretedindeterminantindiscernibleunfulfillableunscrutinizedundefinitizeddimensionlessstructurelessnondictionaryreferencelessdirectionless

14 Letter Words

uninstantiateduncontrollableunderspecifiedindeterminableundeterminabledefinitionlessunquantifiable

15 Letter Words

unrepresentableunimplementablenondefinitionaldescriptionlessinformationless

16 Letter Words

undifferentiated

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

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