You can use however to ask in an emphatic way how something has happened which you are very surprised about. Some speakers of English think that this form is incorrect and prefer to use 'how ever '.
However is one in a long list of words that students have been admonished to avoid placing at the beginning of a sentence (others include and, but, for, so, yet, and many more).
When you use “however” as a conjunctive adverb to join independent clauses or sentences, remember that the semicolon comes before “however,” and the comma comes after.
HOWEVER definition: nevertheless; yet; on the other hand; in spite of that. See examples of however used in a sentence.
HOWEVER definition: 1. despite whatever amount or degree: 2. used to express surprise: 3. in whatever way: . Learn more.
Define however. however synonyms, however pronunciation, however translation, English dictionary definition of however. by whatever means; to whatever degree; nevertheless: It had started to rain; however, the ball game continued.
Definition of however adverb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Traditionally, some commentators have objected to the use of "however" at the start of a sentence in the sense of "nevertheless", but in practice this is widely accepted if followed immediately by a comma.
to whatever extent or degree; no matter how: However much you spend, I will reimburse you. in whatever manner: We will allow you to travel however you please. how; how under the circumstances: However did you manage? conj. in whatever way, manner, or state: Arrange your hours however you like.