| 唯 | [ weí  ]    only, alone, -ism (in Chinese, a prefix, often combined with a suffix such as 主義|主义[zhu3 yi4] or 論|论[lun4], e.g. 唯理論|唯理论[wei2 li3 lun4], rationalism) | 
| 唯 | [ weǐ  ]    yes | 
| 唯一 | [ weí yī  ]    only, sole | 
| 唯一性 | [ weí yī xìng  ]    uniqueness | 
| 唯利是圖 | [ weí lì shì tú  ]    to seek nothing but profit (idiom); personal profit before everything, self-seeking | 
| 唯命是從 | [ weí mìng shì cóng  ]    to follow obediently | 
| 唯唯諾諾 | [ weǐ weǐ nuò nuò  ]    to be a yes-man | 
| 唯心主義 | [ weí xīn zhǔ yì  ]    philosophy of idealism, the doctrine that external reality is a product of consciousness | 
| 唯心論 | [ weí xīn lùn  ]    philosophy of idealism, the doctrine that external reality is a product of consciousness | 
| 唯恐 | [ weí kǒng  ]    for fear that, lest, also written 惟恐 | 
| 唯恐天下不亂 | [ weí kǒng tiān xià bù luàn  ]    to wish for the whole world to be in chaos (idiom) | 
| 唯意志論 | [ weí yì zhì lùn  ]    voluntarism, metaphysical view, esp. due to Schopenhauer 叔本華|叔本华[Shu1 ben3 hua2], that the essence of the world is willpower | 
| 唯有 | [ weí yoǔ  ]    only | 
| 唯物 | [ weí wù  ]    materialistic | 
| 唯物主義 | [ weí wù zhǔ yì  ]    materialism, philosophical doctrine that physical matter is the whole of reality | 
| 唯物論 | [ weí wù lùn  ]    the philosophy of materialism, doctrine that physical matter is the whole of reality | 
| 唯獨 | [ weí dú  ]    only, just (i.e. it is only that...), all except, unique | 
| 唯理論 | [ weí lǐ lùn  ]    (philosophy) rationalism | 
| 唯粉 | [ weí fěn  ]    fan who only likes one particular member of a pop idol band | 
| 唯美 | [ weí meǐ  ]    aesthetics | 
| 唯識宗 | [ weí shí zōng  ]    Yogachara school of Buddhism ("consciousness only" school of Buddhism) | 
| 唯讀 | [ weí dú  ]    read-only (computing) | 
| 唯象 | [ weí xiàng  ]    phenomenological | 
| 唯象理論 | [ weí xiàng lǐ lùn  ]    phenomenology | 
| 唯飯 | [ weí fàn  ]    fan who only likes one particular member of a pop idol band | 
| ⇒ 任人唯親 | [ rèn rén weí qīn  ]    to appoint people by favoritism (idiom); nepotism, corrupt appointment | 
| ⇒ 任人唯賢 | [ rèn rén weí xián  ]    to appoint people according to their merits (idiom); appointment on the basis of ability and integrity | 
| ⇒ 唯唯諾諾 | [ weǐ weǐ nuò nuò  ]    to be a yes-man | 
| ⇒ 客觀唯心主義 | [ kè guān weí xīn zhǔ yì  ]    objective idealism (in Hegel's philosophy) | 
| ⇒ 實踐是檢驗真理的唯一標準 | [ shí jiàn shì jiǎn yàn zhēn lǐ de weí yī zhǔn  ]    Actual practice is the sole criterion for judging truth (item from Deng Xiaoping theory, from 1978) | 
| ⇒ 歷史唯物主義 | [ lì shǐ weí wù zhǔ yì  ]    historical materialism (Marx's theory of history) | 
| ⇒ 毒唯 | [ dú weí  ]    fan of one particular member of a pop idol band who denigrates and defames the other members | 
| ⇒ 若且唯若 | [ ruò qiě weí ruò  ]    if and only if | 
| ⇒ 辯證唯物主義 | [ biàn zhèng weí wù zhǔ yì  ]    dialectical materialism |