neither — OET

neither

determiner

□ neither here nor there

whether it suits the general public well-being is neither here nor there:

inconsequential, insignificant, unimportant, of little/no importance, of little/no consequence, of little/no account, of no moment, incidental, inessential, non-essential, immaterial, irrelevant;

negligible, inappreciable, inconsiderable, slight, minor, trivial, trifling, petty, paltry, nugatory, not worth mentioning, not worth bothering about, not worth speaking of, insubstantial, silly, lightweight;

informal piddling, fiddling, piffling;

North American, informal small-bore, picayune.

▷antonyms significant, important.

□ neither fish nor fowl

here's a work that is obscure only because it is neither fish nor fowl:

ambiguous, doubtful, unclear, uncertain, indistinct, indefinite, indeterminate, open to question, debatable;

mixed, neither one thing nor the other.

□ neither one thing nor the other

Sam stands on the cusp, neither one thing nor the other:

indeterminate, indefinite, indistinct, insipid, nondescript, neutral, toneless, colourless, dull, drab, washed out;

mixed, neither fish nor fowl.

here Oxford Dictionary of English