Synonyms|254Antonyms|3|Broader|4Narrower|5Related|66
1
frame
1
framework
1
fundament
1
ground
1
ground sill(expression, idiom)
1
grounds
1
groundsill
1
groundwork
1
hardpan
1
jamb(noun, beam, shaft, pole, pillar)
1
lath(noun, beam, shaft, letdown, pole)
1
mantelpiece(noun, rack, shelf, ledge, claviature)
1
modillion
1
mudsill
1
outset
1
pavement
1
pile(noun, beam, shaft, pole, pillar)
1
piling(noun, beam, shaft, pole, pillar)
1
pillar(noun, beam, shaft, pole, timber)
1
plank(noun, beam, shaft, pole, pillar)
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APASmart Define. (2015). sill thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sill/thesaurus/synonyms
ChicagoSmart Define. 2015. "sill thesaurus" https://smartdefine.org/sill/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, sill thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sill/thesaurus/synonyms>.
MLASmart Define. "sill thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/sill/thesaurus/synonyms>