adj · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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US:/ˈbækləs/
US:Recorded audio is listed in the source snapshot.
rhymes with -ækləs
CMU ARPABET:B AE1 K L AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Having no back, especially where one would be expected, as with a chair or a dress.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Examples
a backless surgical gown
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Having the back uncovered, showing the skin.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adjective
Meaning 3
lacking a back
Definition source: Princeton WordNet 3.0
Examples
a stool is a backless and armless seat
Meaning relationships
Synonyms: none provided
Antonyms: backed
History
Etymology
Etymology tree English back Proto-Indo-European *lewh1- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English backless From back + -less.
Across languages
Translations
5 source translations are retained for this English entry.
Danish:
rygløs
— having no back
German:
rückenfrei
— having no back
Indonesian:
bekles
— having no back
Norwegian Bokmål:
ryggløs
— having no back
Norwegian Bokmål:
barrygget
— having a back that shows skin