However in a sentence as an adverb

I agree that this is poor planning on my part, however, I'm 35 and no one expects to find out that they are going to die at 35.

This means, however, you are 7% likely to lose all the money, and we only make .9% margins, so this is going to be a No. We get that you don't like this.

" are stupid.- testing "back of the envelope" estimation however can be useful.

It did, however, have one lasting effect: the engineer that was pursued went from thinking fondly of his years at AWS to hating AWS and Amazon with a white-hot passion that still burns today.

You 150-odd ex-Amazon folks here will of course realize immediately that #7 was a little joke I threw in, because Bezos most definitely does not give a **** about your day.#6, however, was quite real, so people went to work.

Without fully understanding exactly what they are doing, however, it sounds highly abusive of the Mail app's rendering capabilities, and points to exploitable paths within the Mail app that probably need to be tightened up by Apple.

However definitions

adverb

despite anything to the contrary (usually following a concession); "although I'm a little afraid, however I'd like to try it"; "while we disliked each other, nevertheless we agreed"; "he was a stern yet fair master"; "granted that it is dangerous, all the same I still want to go"

See also: nevertheless withal still nonetheless notwithstanding

adverb

by contrast; on the other hand; "the first part was easy; the second, however, took hours"

adverb

to whatever degree or extent; "The results, however general, are important"; "they have begun, however reluctantly, to acknowledge the legitimacy of some of the opposition's concerns"

adverb

in whatever way or manner; "Victory, however it was brought about, was sweet"; "however he did it, it was very clever"