Synonyms|122Antonyms|34|Broader|0Narrower|0Related|114
1
sole
1
special
1
treasured(adjective, rare, precious, priceless, invaluable)
1
uncommon
1
uncorrectable(adjective, broken, unchangeable, irreversible, irreparable)
1
unrecoverable(adjective, broken, unchangeable, irreversible, irreparable)
1
valued(adjective, rare, precious, invaluable, inestimable)
1
without price(expression, adjective, rare, precious, invaluable)
0
worth its weight in gold(expression, adjective, idiom, rare, precious)
0
alone
0
anomalous
0
antique
0
best
0
characteristic
0
choice(precious, priceless)
0
crucial
0
dearest
0
different
0
far-out
0
gilt-edged
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APASmart Define. (2016). irreplaceable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/irreplaceable/thesaurus/synonyms
ChicagoSmart Define. 2016. "irreplaceable thesaurus" https://smartdefine.org/irreplaceable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, irreplaceable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/irreplaceable/thesaurus/synonyms>.
MLASmart Define. "irreplaceable thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/irreplaceable/thesaurus/synonyms>