uncertain; indefinite; undetermined
Describes something not yet fixed, decided, or confirmed. Often used in formal or technical contexts such as schedules, plans, or scientific observations.
The meeting schedule is still uncertain.
It's a plan with many uncertain factors.
不確定 means 'uncertain' or 'indeterminate', focusing on lack of definite information, while 流動的 emphasizes the potential for change over time.
不確定 stresses that something has not yet been decided or fixed, while 不確実 stresses that something cannot be trusted or relied upon.
Compound of 不 (not) + 確定 (decision, confirmation). The word follows standard Sino-Japanese word formation patterns.