68 entries under adjective topic. ×

1
lone
1
matchless
1
out-of-bounds(rare, precious, invaluable, inestimable)
1
particular
1
rare(exceptional, exclusive, single, unique)
1
rich(rare, precious, invaluable, inestimable)
1
ruined(broken, unchangeable, irreversible, irreparable)
1
single
1
singular
1
sole
1
special
1
treasured(rare, precious, priceless, invaluable)
1
uncommon
1
uncorrectable(broken, unchangeable, irreversible, irreparable)
1
unrecoverable(broken, unchangeable, irreversible, irreparable)
1
valued(rare, precious, invaluable, inestimable)
1
without price(expression, rare, precious, invaluable)
0
worth its weight in gold(expression, idiom, rare, precious)
0
characteristic
0
crucial
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APASmart Define. (2016). irreplaceable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/irreplaceable/thesaurus/synonyms
ChicagoSmart Define. 2016. "irreplaceable thesaurus" https://smartdefine.org/irreplaceable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, irreplaceable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/irreplaceable/thesaurus/synonyms>.
MLASmart Define. "irreplaceable thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/irreplaceable/thesaurus/synonyms>