Synonyms for Anyhow:

adv

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

adv.

all (adverb)
at any rate, anyway, in any event, in any case.
however (adverb)
however.

n.

furthermore, incidentally, even so, by the way, not to mention, the fact that, namely. however, for no (apparent) reason, for nothing, with abandon, haphazardly, exactly, carelessly, casually, idly, in haste, airily. no matter how/where/what etc., not to worry, I'm not bothered, but hey..., so what?/what of it ?, who cares?, no...to speak of. still, all/just the same, in spite of something, for all, despite. O.K., well, it (only) remains for me to do something. anyhow (noun)
at any rate, anyway, in any event, in any case.
in any event (noun)
nevertheless, however, regardless, nonetheless.

Other synonyms:

furthermore, idly, despite, airily, nevertheless, nonetheless, namely. incidentally. still. well. O.K.. heedlessly
carelessly.
in any event
in any event.
Other relevant words:
airily, even so, casually, haphazardly, furthermore, anyway, nevertheless, still, despite, regardless, incidentally, nonetheless, however, idly, carelessly.

Usage examples for anyhow

  1. What's the matter with you, anyhow – A Fool There Was by Porter Emerson Browne
  2. And- and I don't know what you mean, anyhow – The Awakening of Helena Richie by Margaret Deland
  3. You're all dead men, anyhow – The Flying Legion by George Allan England