frequently_asked_questions_files/Oxford Thesaurus.pdf

nebulous adj. vague, hazy, clouded, unclear, obscure, indistinct, fuzzy,
muddy, ill-defined, shapeless, amorphous, blurred,
indeterminate, murky, opaque, turbid, dim, foggy, faint, pale:
He has only the most nebulous idea of what the lecture was
about.
necessarily
adv. inevitably, unavoidably, inescapably, axiomatically,
inexorably, ineluctably, irresistibly, incontrovertibly,
automatically, naturally, (as a matter) of course, as a result,
certainly, surely, to be sure, like it or not, willy-nilly,
perforce, of necessity, by definition: If you accept his
premise, then you must, necessarily, accept his conclusion. You
don't necessarily need to be rich to be happy.
necessary adj. 1 indispensable, essential, required, needed, compulsory,
requisite, vital, demanded, imperative, obligatory, needful, of
the essence, important, of the utmost importance, top-priority,
high-priority, urgent, exigent, compelling, life-and-death or
life-or-death: A good diet is necessary for good health. It is
necessary that you come at once. Take the necessary steps to get
the job done. 2 inevitable, unavoidable, inescapable,
ineluctable: In the circumstances, we find it necessary to ask
for your resignation. 3 sure, certain, predetermined,
predestined, fated, inexorable; resulting, resultant: The
necessary outcome of the affair was that the child was returned
to her natural parents.
--n. 4 See necessity, 1, below.
necessity n. 1 requirement, essential, necessary, requisite, need,
prerequisite, basic, fundamental, sine qua non, desideratum,
constraint: I was marooned for a year with only the bare
necessities of life. We regard honesty as a necessity in a bank
manager. 2 indispensability, unavoidability, needfulness,
inexorability: The necessity for exercise is often met by
private health clubs. 3 poverty, want, indigence, need,
destitution, penury, straits, difficulty, difficulties,
pauperism, neediness: The extreme necessity of the unemployed
demands that the government act quickly. 4 urgency, emergency,
crisis, misfortune, exigency, pinch, extreme, matter of life and
death: She has made a virtue of necessity. Electric power is no
longer a matter of choice but of necessity.