noun which may take the genitive case particle 'no', na-adjective, noun
unsettled; uncertain; indefinite; variable
Describes something that is not fixed, not decided, or subject to change. Used for plans, schedules, statuses, and abstract conditions. Often appears in formal or written contexts.
The meeting schedule is still undecided.
His future remained uncertain.
noun which may take the genitive case particle 'no', noun
Mathematics term for a value or form that is not uniquely determined, such as an indeterminate equation or an indeterminate form in calculus.
This equation has an indeterminate solution.
The departure date and time are still undecided.
That equation has an indeterminate solution.
A man with no fixed address and no job was arrested.
不確定 stresses uncertainty or lack of confirmation, often in scientific contexts, whereas 不定 more broadly means 'unfixed' or 'irregular' in everyday or formal use.
irregular; indeterminate; staggered
indeterminate
indeterminate form · undefined; indefinite; unstructured; amorphous
adventitious root
infinitive mood
indefinite pronoun · general (logic)
infinitive
indefinite article
general malaise; unidentified complaint; all-round poor physical condition
Compound of 不 (fu, 'not') and 定 (tei, 'fixed, decided'). The kanji combination directly yields the meaning 'not fixed' or 'unsettled'.
indefinite integral
aorist tense; past-perfective tense