# baseless

/ˈbeɪsɫəs/ (US) · /bˈeɪsləs/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/baseless
Updated: 2026-05-08

## Definition

not based on any facts or evidence. You use this to describe a claim or an idea that is completely untrue and has no proof.

For teachers: lacking a foundation in fact or evidence; groundless. Often used to describe accusations, rumors, or fears that have no empirical support.

## Examples

- The company dismissed the rumors as completely baseless.
- The politician claimed the allegations were baseless and intended only to damage his reputation during the election.
- Legal experts argued that the lawsuit was entirely baseless, as the plaintiff failed to provide a single piece of evidence to support the claim of negligence.

## Usage notes

- Typically used attributively before a noun or predicatively after a linking verb like 'be' or 'remain'.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.