Synonyms for In any case:

adv

anyhow (adverb)
at any rate.
anyway (adverb)
in any event.

adv.

anyhow (adverb)
anyway, at any rate.
anyway (adverb)
anyhow, in any event.

n.

in any case (noun)
anyway, in any event, besides, anyhow, at any rate.

Other synonyms:

anyhow
anyhow.