indefectible
adjective
in·de·fec·ti·ble ˌin-di-ˈfek-tə-bəl 
1
: not subject to failure or decay : lasting
2
: free of faults : flawless
indefectibility
ˌin-di-ˌfek-tə-ˈbi-lə-tē
noun indefectibly
ˌin-di-ˈfek-tə-blē
adverb 
Synonyms
- absolute
- faultless
- flawless
- ideal
- immaculate
- impeccable
- irreproachable
- letter-perfect
- perfect
- picture-book
- picture-perfect
- seamless
- unblemished
See all Synonyms & Antonyms 
Example Sentences
the indefectible logic of the polemist's arguments
Word History
First Known Use
1659, in the meaning defined at sense 1
indefectible
adjective
as in perfect
being entirely without fault or flaw the indefectible logic of the polemist's arguments Synonyms & Similar Words
Relevance
- perfect
- ideal
- flawless
- excellent
- immaculate
- superb
- prime
- perfected
- faultless
- unblemished
- irreproachable
- absolute
- impeccable
- seamless
- great
- terrific
- exceptional
- classic
- superior
- letter-perfect
- polished
- picture-perfect
- entire
- marvelous
- superlative
- expert
- unimpaired
- fine
- marvellous
- picture-book
- infallible
- masterly
- special
- fabulous
- intact
- dandy
- unsurpassed
- consummate
- whole
- grand
- unfailing
- unmarred
- uninjured
- unspoiled
- top
- unerring
- completed
- complete
- undamaged
- first-rate
- correct
- first-class
- mint
- accurate
- bulletproof
- finished
- inerrant
- top-notch
- unbruised
- airtight
- fancy
- precise
- exact
- high-grade
Antonyms & Near Antonyms
- defective
- imperfect
- inadequate
- faulty
- insufficient
- bad
- flawed
- deficient
- incomplete
- amiss
- unfinished
- fallible
- censurable
- wanting
- broken
- unpolished
- wrong
- damaged
- reproachable
- injured
- impaired
- misshapen
- spoiled
- atrocious
- wretched
- blighted
- execrable
- malformed
- inaccurate
- incorrect
- inexact
- imprecise
- blemished
- disfigured
- marred
- vitiated
- defaced