171 entries under adjective topic. ×

1
elemental(important, significant, original, essential)
1
elementary(important, significant, original, essential)
1
essential(important, significant, original, basic)
1
fetching
1
first(important, significant, original, essential)
1
following
1
foundational(important, significant, original, essential)
1
freeing(soothing, cheering, encouraging, uplifting)
1
grass-roots(important, significant, original, essential)
1
health-giving(clean, pure, fresh, useful)
1
heart-warming(fundamental, soothing, cheering, encouraging)
1
indispensable(important, significant, original, essential)
1
inspiriting(soothing, cheering, encouraging, uplifting)
1
integral(important, significant, original, essential)
1
intrinsic(important, significant, original, essential)
1
invigorating(clean, pure, fresh, useful)
1
irritating
1
keeping(noun, keep, care, supply)
1
key(important, significant, original, essential)
1
lightening(soothing, cheering, encouraging, uplifting)
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APASmart Define. (2015). sustaining thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sustaining/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustaining thesaurus" https://smartdefine.org/sustaining/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sustaining thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sustaining/thesaurus/synonyms>.
MLASmart Define. "sustaining thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/sustaining/thesaurus/synonyms>