| 定 | dìng | to set; to fix; to determine; to decide; to order |
| 定理 | dìng lǐ | established theory; theorem (math.) |
| 定义 | dìng yì | definition |
| 定律 | dìng lǜ | established law |
| 定期 | dìng qī | regularly; at regular intervals |
| 定额 | dìng é | fixed amount; quota |
| 定位 | dìng wèi | position; location; localization |
| 定向 | dìng xiàng | to determine the direction; directed (breeding, enrollment etc); orienteering (sport) |
| 定点 | dìng diǎn | fixed point or location; point of reference; (math.) fixed point; to determine a location |
| 定型 | dìng xíng | to finalize (a design etc); stereotype; permanent wave or perm (hairdressing) |
| 定量 | dìng liàng | quantity; fixed amount; ration |
| 定时 | dìng shí | to fix a time; fixed time; timed (of explosive etc) |
| 定弦 | dìng xián | tuning (stringed instrument) |
| 定居 | dìng jū | to settle; to fix a place to live |
| 定罪 | dìng zuì | to convict (sb of a crime) |
| 定性 | dìng xìng | to determine the nature (usually of error or crime); to determine chemical composition; qualitative; fixed |
| 定影 | dìng yǐng | to fix a photographic image |
| 定价 | dìng jià | to set a price; to fix a price |
| 定海 | Dìng hǎi | Dinghai district of Zhoushan city 舟山市, Zhejiang; Qing dynasty name of 舟山市 |
| 定论 | dìng lùn | final conclusion; accepted argument |
| 定单 | dìng dān | order form for goods |
| 定员 | dìng yuán | fixed complement (of crew, passengers etc) |
| 定货 | dìng huò | to order goods; to place an order for materials |
| 定案 | dìng àn | to reach a verdict; to conclude a judgment |
| 定神 | dìng shén | to compose oneself; to concentrate one's attention |
| 定制 | dìng zhì | custom made; made to order; to have something custom made |
| 定调 | dìng diào | to set the tone |
| 定居点 | dìng jū diǎn | settlement |
| 定州 | Dìng zhōu | Dingzhou county level city in Baoding 保定, Hebei |
| 定婚 | dìng hūn | be betrothed; get engaged |
| 定然 | dìng rán | certainly; of course |
| 定局 | dìng jú | foregone |
| 定日 | Dìng rì | Tingri town and county, Tibetan: Ding ri rdzong, in Shigatse prefecture, central Tibet |
| 定当 | dìng dàng | settled; ready; finished |
| 定作 | dìng zuò | to have sth made to order |
| 定例 | dìng lì | usual practice; routine |
| 定做 | dìng zuò | to have something made to order |
| 定冠词 | dìng guān cí | definite article (e.g. English the) |
| 定出 | dìng chū | to determine; to fix upon; to set (a target, a price etc) |
| 定分 | dìng fèn | predestination; one's lot (of good and bad fortune) |
| 定势 | dìng shì | regular tendency |
| 定南 | Dìng nán | Dingnan county in Ganzhou 赣州, Jiangxi |
| 定南县 | Dìng nán xiàn | Dingnan county in Ganzhou 赣州, Jiangxi |
| 定向培育 | dìng xiàng péi yù | directed breeding |
| 定向越野 | dìng xiàng yuè yě | cross-country orienteering |
| 定型水 | dìng xíng shuǐ | hairspray |
| 定场白 | dìng chǎng bái | first soliloquy (introducing opera character) |
| 定场诗 | dìng chǎng shī | first soliloquy text (introducing opera character) |
| 定安 | Dìng ān | Ding'an county, Hainan |
| 定安县 | Dìng ān xiàn | Ding'an county, Hainan |