“Not to mention” in Japanese
Short answer
Not to mention in Japanese is “況んや” (iwanya). Full meaning: much more, not to mention, not to speak of, to say nothing of, let alone.
Other ways to say “Not to mention” in Japanese
況して
mashite still more, to say nothing of, not to mention; still less
疎か
oroka negligent, neglectful, careless, remiss; not to mention ..., needless to say ..., not to speak of ..., not only ...
況や
iwanya much more, not to mention, not to speak of, to say nothing of, let alone
況むや
iwanya much more, not to mention, not to speak of, to say nothing of, let alone
况むや
iwanya much more, not to mention, not to speak of, to say nothing of, let alone
いわんや
iwanya much more, not to mention, not to speak of, to say nothing of, let alone
况て
mashite still more, to say nothing of, not to mention; still less
況て
mashite still more, to say nothing of, not to mention; still less
况いて
maite still more, to say nothing of, not to mention; still less
まいて
maite still more, to say nothing of, not to mention; still less
増して
mashite still more, to say nothing of, not to mention; still less
Looking for the other direction? Search any Japanese word in the Nihoner lexicon, or practise what you have learned in the learning games.