don't
v.v. the short way to say 'do not'. You use it to tell someone not to do something or to say that something is not true.
v. the contracted form of 'do not', used as an auxiliary verb to form negative statements or imperatives. It functions as a single unit in modern syntax and is standard in spoken and informal written English.
Please don't walk on the grass.
I don't think we have enough time to finish the project before the meeting starts.
While formal reports usually require the full form 'do not', most writers don't hesitate to use contractions in personal correspondence to maintain a natural, conversational tone.
From do + -n't. Depending on dialect, its use in the third-person singular may be from elision (in these dialects "does" is used when not in the negative) or from not using -s to mark the third-person singular at all.
Functions as an auxiliary verb; followed by the base form of the main verb without 'to'.
He don't like itHe doesn't like itDon't is used for 'I', 'you', 'we', and 'they'; use 'doesn't' for third-person singular subjects like 'he', 'she', or 'it'.