In summary, dependant can be used for the noun in either British or American English, but dependent for either noun or adjective is a safe choice in American English.
DEPENDENT definition: relying on someone or something else for aid, support, etc. See examples of dependent used in a sentence.
A dependent is a qualifying child or relative who relies on you for financial support. To claim a dependent for tax credits or deductions, the dependent must meet specific requirements.
DEPENDENT definition: 1. needing the support of something or someone in order to continue existing or operating: 2…. Learn more.
Define dependent. dependent synonyms, dependent pronunciation, dependent translation, English dictionary definition of dependent. adj. 1. Determined, influenced, or controlled by something else.
Dependent definition: As an adjective, dependent describes something that relies on something else, whereas as a noun, it refers to someone who relies on another, primarily for financial support.
Dependant and dependent are not interchangeable. In British English, 'dependent' means reliant on and a dependant is a person (usually a child or a spouse). Americans use 'dependent' for both.
"Dependant" is always used as a noun, referring to the person that depends on someone else's financial support (a minor person, in general). The word is used in British English only. "Dependent", on the other hand, can be used both as a noun and as an adjective.
Adjective dependent (comparative more dependent, superlative most dependent) Relying upon; depending upon. At that point I was dependent on financial aid for my tuition.