a collection of words bereft of their verb or

a dependent clause or phrase used by a writer as a complete sentence

a group of words passing itself off as a sentence without having a subject and a verb

a group of words punctuated as a sentenc

a group of words that is incorrectly punctuated as a complete sentence

a partial sentence that does not express a complete idea

a part of a sentence punctuated as if it were a complete sentence

a word string punctuated as a sentence but which is not a grammatically complete sentence

A group of words that is not grammatically a complete sentence but is punctuated as one: Because it mattered greatly.

A sentence that is missing the subject, the verb, or both.

occur when a sentence is missing a subject, verb, or main clause. Except in very rare cases, you should avoid sentence fragments. Example: School should be free. Or cheaper.

A sentence fragment is a group of words that is punctuated as a sentence but does not express a complete thought.