basement
UK /ˈbeɪs.mənt/ US /ˈbeɪs.mənt/ Syllables: base-ment
Quick answer
The floor of a building that is partly or fully below ground level.
A basement is the floor of a building that is partly or fully below ground level. People use a basement to store boxes, keep tools or put a washing machine. Some basements are made into extra rooms for a game room, a bedroom or an office. A basement can be cool and damp, so many have a heater. In a shop, the basement may hold goods or be a sales floor. The word is used in the United States and Britain, and the British also say cellar for a cold one.
"We store the holiday decorations in boxes in the basement."Example sentences
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"We keep our winter coats in the basement."
Level A2
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"The kids play ping pong in the basement."
Level A2
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"Water leaked into the basement after the storm."
Level B1
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"They rent a small basement apartment."
Level B1
Look-alikes and common mistakes
Word family and forms
Forms: basements
Word partners
Words and phrases that often go with "basement".
- in the basement
- a basement apartment
- a flooded basement
- a finished basement
- the basement floor
- a damp basement
Origin
Basement is made from base plus the ending -ment, and it is first recorded in English in the 1720s and 1730s. The word began in building, where it meant the lowest part of a structure, its base.
Checked against: Wiktionary, the free dictionary, Dictionary.com.
How to remember it
Basement is base plus ment. A basement is the base of the house, under the other floors.
Test yourself
Which word fits the gap? "We keep our winter coats in the _____."
Answer: basement
In your own words, what does "basement" mean?
The floor of a building that is partly or fully below ground level.
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Sources and credits
- Wiktionary, the free dictionary (CC BY-SA 4.0) · used for the origin · checked Oct 19, 2026
- Dictionary.com · used for the origin · checked Oct 19, 2026
Last reviewed October 20, 2026. Report a mistake on this page