3 used for saying that it makes no difference how good, bad, difficult etc something is or how much there is of something
however good/well/bad/badly/hard etc: She would still love him however badly he behaved.
If you take money from the fund, however small the amount, you must record it in this book.
however much/many: We’re determined to have a wonderful holiday, however much it costs.
However many times you explain things, you can never get him to understand.
however long something takes: We are determined to solve this problem, however long it takes.