1
splash(adjective, unusual, important, exceptional, remarkable)
1
stand-out
1
substantial(adjective, big, heavy)
1
super(adjective, unusual, important, exceptional, remarkable)
1
terrific(adjective, unusual, important, exceptional, remarkable)
1
top(great, important, famous, outstanding, popular)
1
underlining
1
underscore
1
unusual(adjective, important, exceptional, remarkable, notable)
1
urgent(important, essential, critical, basic, fundamental)
1
utmost(adjective, unusual, important, exceptional, remarkable)
1
vital(adjective, essential)
1
well-thought-of(great, important, famous, outstanding, popular)
1
world-class(great, important, famous, outstanding, popular)
0
underline
0
accent
0
accentuation
0
big(heavy, substantial)
0
big deal(expression, big, heavy, substantial)
0
bottom line(expression, meaningful)
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APASmart Define. (2015). underlined thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/underlined/thesaurus/synonyms
ChicagoSmart Define. 2015. "underlined thesaurus" https://smartdefine.org/underlined/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, underlined thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/underlined/thesaurus/synonyms>.
MLASmart Define. "underlined thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/underlined/thesaurus/synonyms>