Synonyms of basement

basement

noun

ˈbās-mənt 

1

as in cellar

a room or set of rooms below the surface of the ground

we store our bicycles in the basement during the winter

Synonyms & Similar Words

• cellar
• vault
• bunker
• foundation
• cellarage
• crawlway
• hold
• storm cellar
• cyclone cellar

2

as in bottom

the lowest part, place, or point

the basement of the outdoor fountain needs a lot of restoration work

Synonyms & Similar Words

• bottom
• foot
• base
• foundation
• bed
• bedrock
• basis
• ground
• seat
• rock bottom
• nadir
• groundwork
• keystone
• underpinning

Antonyms & Near Antonyms

• top
• head
• vertex
• peak
• height
• apex
• summit
• pinnacle
• climax
• tip
• crest
• culmination
• zenith
• meridian
• tip-top
• acme

Example Sentences

Recent Examples of basement

The study says this process would have exposed deep crustal basement rocks, including ancient crystalline formations now visible within the Grand Canyon. — Kaif Shaikh, Interesting Engineering, 21 Aug. 2026

Their father found the children in the basement of the family’s home in coastal Duxbury, south of Boston. — Michael Casey, Fortune, 14 Aug. 2026

But the dentist always catches me off guard, like a snake in the basement. — Zach Przystup, Baltimore Sun, 13 Aug. 2026

The walls and basement were framed in such a way that venting the range hood became challenging. — Jenny Hughes, The Spruce, 13 Aug. 2026