The meaning of BEGIN is to do the first part of an action : go into the first part of a process : start.

Grammar Begin or start? We can use the verbs begin and start to mean the same thing but begin is more formal than start. Begin is an irregular verb. Its past simple form is began and its -ed form is …

If you say that you cannot begin to imagine, understand, or explain something, you are emphasizing that it is almost impossible to explain, understand, or imagine.

BEGIN definition: to proceed to perform the first or earliest part of some action; commence; start. See examples of begin used in a sentence.

start – begin 1. used with noun phrases If you start or begin something, you do it from a particular time. There is no difference in meaning. My father started work when he was fourteen. We'll begin the …

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Feb 10, 2026 · begin (third-person singular simple present begins, present participle beginning, simple past began, past participle begun) (ergative) To start, to initiate or take the first step into something.

Begin definition: To perform or undergo the first part of an action; start.

To start, to initiate or take the first step into something. 1. To do the first act of any thing; to pass from not doing to doing, by the first act. Ye nymphs of Solyma, begin the song. Alexander Pope, Messiah.

Definition of begin verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.