However vs. Moreover

Nevertheless; yet, still; in spite of (that).

Example: ‘He told me not to do it. I, however, did it anyway. / I did it anyway, however. / (sometimes proscribed:) However, I did it anyway.’; ‘She wanted to go; however, she decided against it.’;

(degree) To whatever degree or extent

Example: ‘However clear you think you've been, many questions will remain.’;

(manner) In whatever way or manner.

Example: ‘Let me know when you've had your interview, however it goes.’;

An emphatic form of how.

Example: ‘However were you able to do it?’;

(obsolete) In any case, at any rate, at all events.

In whatever way or manner.

Example: ‘she offered to help however she could’;

(proscribed) Although, though, but, yet.

In whetever manner, way, or degree.

Example: ‘However yet they me despise and spite.’; ‘Howe'er the business goes, you have made fault.’;

At all events; at least; in any case.

Example: ‘Our chief end is to be freed from all, if it may be, however from the greatest evils.’;

Nevertheless; notwithstanding; yet; still; though; as, I shall not oppose your design; I can not, however, approve of it.

Example: ‘In your excuse your love does little say;You might howe'er have took a better way.’;

despite anything to the contrary (usually following a concession);

Example: ‘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’;

by contrast; on the other hand;

Example: ‘the first part was easy; the second, however, took hours’;

to whatever degree or extent;

Example: ‘The results, however general, are important’; ‘they have begun, however reluctantly, to acknowledge the legitimacy of some of the opposition's concerns’;

in whatever way or manner;

Example: ‘Victory, however it was brought about, was sweet’; ‘however he did it, it was very clever’;

in what way or manner or by what means (`however' is sometimes used as an intensive form of `how');

Example: ‘how did you catch the snake?’; ‘he told us how he did it’; ‘however did you get here so soon?’;

(conjunctive) In addition to what has been said; furthermore; additionally.

Beyond what has been said; further; besides; in addition; furthermore; also; likewise.

Example: ‘Moreover, he hath left you all his walks.’;

in addition;

Example: ‘computer chess games are getting cheaper all the time; furthermore, their quality is improving’; ‘the cellar was dark; moreover, mice nested there’; ‘what is more, there's no sign of a change’;