1
foreground
1
fortify(verb, support, increase, boost, sustain)
1
freckle
1
furrow
1
gash
1
give emphasis(verb, mark, emphasize)
1
give importance to(verb, phrasal verb, importance, indication)
1
go over(verb, sound, say, pronunciation)
1
hachure
1
hairline
1
harden(verb, support, increase, boost, sustain)
1
hatch
1
hatching
1
heading
1
heat up(verb, expression, support, increase, boost)
1
highlighting
1
hit(charge, mark, maintain, assert, stress)
1
hype(verb, support, increase, boost, sustain)
1
illuminate
1
importance
11 years ago|5.8k views|share |citing 
APASmart Define. (2015). underline thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/underline/thesaurus/synonyms
ChicagoSmart Define. 2015. "underline thesaurus" https://smartdefine.org/underline/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, underline thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/underline/thesaurus/synonyms>.
MLASmart Define. "underline thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/underline/thesaurus/synonyms>