even better; still better
Used in job listings and similar contexts to indicate that a qualification or condition is not required but would be advantageous. Often follows a list of requirements.
See also: なお良い
It's even better if you can speak English.
Experience is even better.
Variant spelling using kana for よし.
Variant with kana for なお.
Abbreviated form, less common.
Derived from the adverb なお (still, even) and the classical adjective 良し (good). The expression is a fixed phrase used in formal contexts.