adjective
baseless
BAYS-luhs
Baseless (adjective) means not supported by facts or evidence; unfounded. Example: “The rumours about the company's collapse turned out to be completely baseless.”
adjective
1
Not supported by facts or evidence; unfounded.
"The rumours about the company's collapse turned out to be completely baseless."
"She dismissed the accusation as baseless."
"But Rodríguez says, “Neither the law nor the facts support Senator Grassley’s baseless allegations and extrapolated conclusions."
— , Is Huma Abedin Hillary Clinton’s Secret Weapon or Her Next Big Problem? (2016)
"baseless accusations; baseless rumors"
How to use baseless
Learner’s notesIn plain EnglishHaving no real evidence or foundation behind it.
Easily confused with
Common pairings
baseless claim
baseless accusation
baseless rumour
completely baseless
Vocabulary Flow
Build your vocabulary from words like baseless.
Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.
Start vocabulary practice
Fill the gap
Can you complete this real example?
The rumours about the company's collapse turned out to be completely _____.
Etymology
From base + -less, "without a base."
Synonyms
View more →Antonyms
Related words
Rhymes for baseless
useless
ageless
wireless
hopeless
homeless
tireless
careless
lifeless
clueless
timeless
loveless
nameless
See all rhymes for baseless →
Frequently asked questions
What does “baseless” mean?
The word “baseless” means not supported by facts or evidence; unfounded. In plain terms, having no real evidence or foundation behind it.
How do you pronounce “baseless”?
“Baseless” is pronounced BAYS-luhs (/ˈbeɪsləs/ in IPA).
How do you use “baseless” in a sentence?
Here is “baseless” used in a sentence: “The rumours about the company's collapse turned out to be completely baseless.”
What is another word for “baseless”?
Words with a similar meaning to “baseless” include idle, footless, groundless, unfounded, ungrounded and unjustified.
What is the opposite of “baseless”?
The opposite of “baseless” — its antonyms — are proven, demonstrated, shown and substantiated.
What part of speech is “baseless”?
“Baseless” is an adjective.