1
on up and up(expression, honest, true, straightforward, serious)
1
out-and-out(adjective, great, intense, overwhelming)
1
outspoken(open, honest, true, straightforward, straight)
1
overpowering(great, intense, overwhelming)
1
overwhelming(great, intense)
1
penetrating
1
perfervid(adjective, keen, warm, intense, passionate)
1
pervading
1
piercing
1
pious(adjective, keen, warm, intense, passionate)
1
plain(open, honest, true, straightforward, straight)
1
precipitate(adjective, strong, difficult, intense, violent)
1
pretensionless(open, honest, true, straightforward, straight)
1
quickened(adjective, strong, difficult, intense, violent)
1
rapturous(feeling, pain)
1
red-carpet(adjective, pleasant, friendly, warm, polite)
1
religious(adjective, keen, warm, intense, passionate)
1
responsive(adjective, pleasant, keen, friendly, warm)
1
righteous(open, honest, true, straightforward, serious)
1
saintly(open, honest, true, straightforward, straight)
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APASmart Define. (2016). heartfelt thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/heartfelt/thesaurus/synonyms
ChicagoSmart Define. 2016. "heartfelt thesaurus" https://smartdefine.org/heartfelt/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, heartfelt thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/heartfelt/thesaurus/synonyms>.
MLASmart Define. "heartfelt thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/heartfelt/thesaurus/synonyms>