cipher (noun) cipher: zero; nothingness
Sinonime: call,
cause,
claim,
compulsion,
demand, desideratum,
duress,
essence,
essential, exaction,
exigency,
fundamental, godsend,
imperative, indispensability, inevitability, inexorableness, life or death,
must,
necessary, needfulness, no alternative, no choice,
obligation,
pinch, precondition,
prerequisite, privation,
requirement,
requisite, sine qua non,
stress, undeniability,
urgency, vital part, vitals,
wantAntonime: desire, want