Referring to information, experiences, or phenomena that have not been discovered or understood yet, representing a realm of uncertainty and potential exploration.
Signifying aspects of reality that remain outside of awareness or comprehension, often associated with the idea of welcoming new challenges or adventures.
Describing a mathematical context where specific values or numbers are sought but have not yet been identified or defined, highlighting an element of mystery in problem-solving.
Indicating a status or condition pertaining to individuals or situations that are not familiar or recognized, suggesting an element of novelty or unfamiliarity.
Example:
ソフイーは未知の差し出し人からまた手紙が来るのを心待ちにしていた。
A numerical value in a mathematical equation that is not yet determined and is often represented by variables such as x, y, or z, contrasting with known values.
A situation or entity for which future outcomes or possibilities are uncertain and cannot yet be predicted.
A variable in mathematical contexts symbolizing an unknown quantity that one seeks to solve for, also used metaphorically to describe aspects of life or individuals whose potential or abilities are not fully understood.
Example:
Ｘ記号は数学ではたいてい未知数を表す。