American English
/ˈbeɪ.sɪs/
2 syllables · Stress the first syllable.
The main idea, fact, or support that something is built on.
Practice out loudThe main idea, fact, or support that something is built on.
Trust is the basis for a good relationship.
We need a stronger basis for this decision.
Say on the basis of, not in the basis of.
solid basis · sound basis · basis for a decision · basis for an argument
the basis for + noun
the basis of + noun
The rule, system, or schedule used to organize something or decide how it will be done.
The team meets on a weekly basis.
Applications are reviewed on a case-by-case basis.
regular basis · daily basis · part-time basis · case-by-case basis
on a/an + adjective + basis
on a case-by-case basis
using something as the reason or evidence for a decision
They hired her on the basis of her experience.
regularly
I back up my files on a regular basis.
familiar enough to use each other's first names
Our manager is on a first-name basis with everyone.
The plural is bases, not basis.