Find Synonyms

sill Synonyms

Another word for sill

Choosing another word for sill depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• noun (Context 1)

A horizontal piece of wood, stone, or metal forming the bottom of a window frame or doorway.

Usage Example

"She arranged a row of small potted succulents along the sunny window windowsill."

Strongest
windowsill
Strong
threshold
ledge
doorsill

• noun (Context 2)

A strong horizontal structural member, such as a beam or timber, serving as the lowest foundation element of a wall, house, or bridge.

Usage Example

"The carpenters had to replace the rotted oak soleplate before they could begin framing the new exterior wall."

Strongest
soleplate
Strong
groundsel
groundsill
sleeper

Opposites of sill

The opposite of sill shifts depending on context. Common opposites include:

lintel
header
See all opposites of sill

• Nearby Words

silktassel
silkworm
silky
sill
sillily
silliness
silly

Cite this Entry

Wordmom. (2026). Synonyms for Sill. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/sill
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