Definition of LEST (conjunction): in case something unpleasant happens. 66 synonyms and near synonyms of least from the Merriam-Webster Thesaurus, plus 59 antonyms and near antonyms. Information and translations of least in the most comprehensive dictionary definitions resource on the web. Another word for lest: in case, in order to avoid, for fear that, in order to prevent | Collins English Thesaurus Synonyms for lest include in case, before, for fear that, in order to avoid, to prevent, just in case, in order to prevent, so as not to, to avoid the risk of and whether â¦ Looking for definition of Lest? Find another word for list. Learn more. Find another word for least. This is the British English definition of lest.View American English definition of lest.. Change your default dictionary to American English. 3 people chose this as the best definition of lest: Lest is defined as someth... See the dictionary meaning, pronunciation, and sentence examples. In the future tense, when it is differentiated from the present, it usually goes with should. Lest definition: If you do something lest something unpleasant should happen , you do it to try to prevent... | Meaning, pronunciation, translations and examples Search lest and thousands of other words in English definition and synonym dictionary from Reverso. Define Lest by Webster's Dictionary, WordNet Lexical Database, Dictionary of Computing, Legal Dictionary, Medical Dictionary, Dream Dictionary. What does least mean? 58 synonyms of list from the Merriam-Webster Thesaurus, plus 81 related words, definitions, and antonyms. Another word for definition. Find more ways to say definition, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Lest explanation. The word lest is usually followed by a verb in the subjunctive mood in either the present or future tense.. For example: Lest they be captured, the soldiers fled from the battlefield. Synonyms: canon, catalog, checklistâ¦ 1 âhe cut the remark out of the final programme lest it should offend listenersâ SYNONYMS in case , just in case, for fear that, in order to avoid, to avoid the risk of lest definition: 1. in order to prevent any possibility that something will happen: 2. in order to prevent anyâ¦. Let him attend the ceremony which commemorates the achievements of his ancestors, lest he forget.. Definition and synonyms of lest from the online English dictionary from Macmillan Education.. List: a record of a series of items (as names or titles) usually arranged according to some system. Meaning of least. Usage notes . Least: as in mere, minimal. Definition of least in the Definitions.net dictionary.