(coll.) even if

However hard you try, you can't finish it in a week or so.

A man can live and be healthy without killing animals for food; therefore, if he eats meat, he participates in taking animal life merely for the sake of his appetite. And to act so is immoral.

You must do it even if you don't want to.

Even if it rains, I'll go swimming tomorrow.

Prime numbers are like life; they are completely logical, but impossible to find the rules for, even if you spend all your time thinking about it.