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Showing results for basis. Search instead for afasis.
Definitions

basis

[bey-sis] / ˈbeɪ sɪs /
NOUN
physical foundation
Synonyms
STRONGEST
base footing ground support
STRONG
bed bottom foot groundwork rest seat substructure
WEAK
resting place
Antonyms
STRONG
top
NOUN
foundation for belief, action
Synonyms
STRONGEST
assumption base essential evidence explanation footing fundamental justification premise principle proof reason security support theory
STRONG
antecedent authority axiom backbone background backing bedrock cause center core crux data dictum essence heart infrastructure keynote keystone law nexus nucleus postulate presumption presupposition root rudiment sanction source substratum theorem warrant
WEAK
chief ingredient hard fact principal element underpinning
Antonyms
STRONGEST
auxiliary fact reality trivia
STRONG
effect end exterior exteriority outside periphery result surface

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Let’s proceed on the basis that you own your home outright.

From MarketWatch • Apr. 10, 2026

Kentucky holds that prosecutors may not use peremptory strikes to exclude prospective jurors on the basis of race.

From Slate • Apr. 10, 2026

That’s excessive, given Deterra’s current 93% Ebitda margin is at least 800 basis points higher than theirs, Morgans says.

From The Wall Street Journal • Apr. 9, 2026

Class A shares are convertible to Class B shares on a one-for-one basis.

From Barron's • Apr. 9, 2026

Aristotle was not a particularly ardent champion of women, but he nevertheless believed in using evidence as the basis of theory building.

From "The Gene" by Siddhartha Mukherjee