Thesaurus.com
Dictionary.com
Showing results for sill. Search instead for sihl.
Definitions

sill

[sil] / sɪl /
NOUN
beam
Synonyms
STRONGEST
girder joist piling pillar plank pole shaft timber
STRONG
axle balk bolster boom brace cantilever column crossbar crosspiece jamb lintel pile post prop rafter scantling spar stanchion stay stringer strip strut stud two-by-four
NOUN
ledge
Synonyms
STRONGEST
berm ridge rim
STRONG
bar bench bracket console edge jut mantle offset path projection reef route step strip tier track trail walk way
NOUN
projection
Synonyms
STRONG
bump bunch eaves extension hook jut knob ledge outthrust point prolongation prominence protrusion protuberance ridge rim shelf spine spur step swelling
Antonyms
STRONG
depression
NOUN
rafter
Synonyms
STRONGEST
beam
STRONG
axle balk bolster boom brace cantilever column crossbar crosspiece girder jamb joist lintel pile piling pillar plank pole post prop scantling shaft spar stanchion stay stringer strip strut stud timber two-by-four
NOUN
threshold
Synonyms
STRONGEST
brink verge
STRONG
dawn door doorstep doorway edge entrance gate inception origin outset point start vestibule
WEAK
point of departure starting point
Antonyms
STRONGEST
middle
STRONG
completion conclusion death disadvantage end ending finish

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"I looked out the window and the water was lapping at the bottom of the window sill," he recalled.

From BBC • Nov. 22, 2025

The Red Sea was initially connected from the north to the Mediterranean through a shallow sill.

From Science Daily • Oct. 8, 2025

They’re sill exploring options, including possibly lending it to the L.A.

From Los Angeles Times • Mar. 11, 2024

Officials say they are doing what they can during the sill augmentation to keep the channel open to ships and barges.

From Seattle Times • Sep. 25, 2023

First, though, she needed to crawl out a narrow ladies’ room window and stand up on the sill.

From "City Spies" by James Ponti

Vocabulary lists containing sill

Earth Science - Middle School

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Earth Science - High School

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Rocks and Minerals - Middle School and High School

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!