peu importe meaning in English — however, no matter, whatever

English meaning

however adv Nevertheless; in spite of what was just said.
no matter conjunction Used before how, what, where, when or who to say that something stays true whatever the circumstances.
whatever det Any at all, no matter which; used to show something applies without restriction.

peu importe is used for these senses in English:

either way Regardless of what happens (out of two possible situations).
however (degree) To whatever degree or extent.
it doesn't matter It is not important; do not worry (used to reassure or comfort the person to whom it is said).
never mind (hortative) It is not important; do not fret; used to reassure or comfort the person to whom it is said.
no matter (dated, or, US) It doesn't matter, it's unimportant, it doesn't make any difference.
no matter Irrespective of, regardless of, in spite of.
no matter what (followed by a phrase) Regardless of, in spite of, whatever.
regardless of without attention to; without regard for

conjunction Used before how, what, where, when or who to say that something stays true whatever the circumstances.
phrase It does not matter; used to dismiss a problem or wave away an apology.

dans un cas comme dans l'autre cependant toutefois pourtant néanmoins nonobstant de quelque manière que ce soit quelle que soit sa manière ça ne fait rien c'est pas grave tant pis ce n'est pas grave