The kanji character 必 primarily conveys the meanings of "certainly," "inevitably," "necessarily," or "must." It suggests a sense of assuredness, compulsion, or something that is bound to happen. It also implies a state of being "sure" or "determined".

・On-yomi (音読み): ひつ (hitsu) ・Kun-yomi (訓読み): ならず (narazu) - as in 必ず (kanarazu), which means "certainly" or "without fail."

⚫︎ 必要 (hitsuyou) Translation: Necessary; essential; required ⚫︎ 必ず (kanarazu) Translation: Certainly; without fail; always ⚫︎ 必死 (hisshi) Translation: Desperate; frantic; frantic; inevitable death

The kanji 必 is a pictographic compound. The upper part represents a person and the lower part, a knife. Originally, it showed someone being split or divided with a knife. This implied something that must happen, or is inevitable. Over time, the meaning evolved to its current sense of "certainly" or "necessarily."