Synonyms|254Antonyms|3|Broader|4Narrower|5Related|66
1
bedrock
1
block
1
bolster(noun, beam, shaft, pole, pillar)
1
bolt from the blue
1
boom(noun, beam, shaft, pole, pillar)
1
brace(noun, beam, shaft, pole, pillar)
1
brink
1
column(noun, beam, shaft, pole, pillar)
1
cornerstone
1
crossbeam(noun, beam)
1
crosspiece(noun, beam, shaft, letdown, pole)
1
crosstie(noun, beam)
1
doorstone
1
edge
1
entry
1
floor
1
flooring
1
fond
1
footing
1
foundation
For more, visit Sill on Power Thesaurus
11 years ago|3.1k views|share |citing 
APASmart Define. (2015). sill thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sill/thesaurus/synonyms
ChicagoSmart Define. 2015. "sill thesaurus" https://smartdefine.org/sill/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sill thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sill/thesaurus/synonyms>.
MLASmart Define. "sill thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/sill/thesaurus/synonyms>