The kanji 唯 primarily conveys the meanings of "only," "solely," "merely," or "just." It emphasizes the exclusivity or singularity of something. It can also imply a singular focus or the lack of anything else.

・On-yomi (音読み): ゆい (yui) ・Kun-yomi (訓読み): ただ (tada)

⚫︎唯一 (ゆいいつ) Translation: The only one; the unique; the sole ⚫︎唯我独尊 (ゆいがどくそん) Translation: Self-veneration; the belief that one is supreme; (lit.) "I alone am honored." ⚫︎ただいま (tadaima) Translation: I'm home; I'm back (used upon returning home)

The kanji 唯 is a 形声文字 (keisei moji), a phono-semantic compound character. The left side is 口 (kuchi, "mouth") which provides the semantic component, and the right side is 隹 (sui) which provides the phonetic component and it used to be a character for a bird. Initially, the original meaning of this character was related to speaking and affirming something. It later evolved to express the sense of "only" or "solely," because it could be used to affirm just one thing or person.