The kanji 非 primarily conveys the idea of "not," "incorrect," "un-" or "negative." It signifies something that is wrong, unjust, or deviates from what is considered normal or acceptable. It often denotes the absence or negation of a quality or state.

・On-yomi (音読み): ヒ (hi) ・Kun-yomi (訓読み): あ (a - in compounds)

⚫︎ 非常 (ひじょう) Translation: Emergency; extraordinary. ⚫︎ 非行 (ひこう) Translation: Misconduct; delinquency. ⚫︎ 是非 (ぜひ) Translation: Right and wrong; by all means.

The kanji 非 is a phono-semantic compound. The left side is a non-character meaning "not," and the right side is 飛 meaning "fly." It initially depicted two wings spread out, indicating something that is not normal or not functioning correctly, thus "not" or "incorrect." The character evolved over time, eventually taking its current form. The meaning expanded to cover wider concepts of negation and opposition.