denial;  negation;  negation (logic);  NOT operation
 refusal;  rejection;  denial;  veto
 complete denial;  complete disavowal;  total negation
 success or failure;  outcome;  result
 denial;  negation;  repudiation;  disapproval
 to refuse;  to reject;  to deny
 propriety;  right and wrong;  advisability;  pro and con;  ayes and noes
 success or failure;  result
 rejection;  negation;  voting down
 blocking communications (from a phone number or an e-mail address)
 propriety;  right or wrong;  justice
 total denial;  complete denial;  denying totally (flatly, outright)
 negation of the negation (in the Hegelian dialectic)
 refusing to allow a passenger on board a train or into a bus or taxi
 consent or refusal;  yes or no;  decision to accept or decline;  up or down (vote);  assent or dissent;  accept or reject
 truant child;  child who refuses to attend school
 propriety;  fitness;  aptitude
 necessity (or lack thereof)
 negative question;  question asked in the negative (e.g. "Can't you read Japanese?")
 refusal to accept the present situation;  denial of the existing situation;  negation of the status quo
 neurotic fear of returning home after work;  nostophobia
 anxiety or stress-induced inability to go to work
 right to keep silent;  right to silence;  right to remain silent
 non-repudiation of origin
 conscientious objector;  CO
 non-repudiation of submission
 non-repudiation of delivery
 draft refuser;  draft objector
 negated combined condition
 non-disjunction;  NOR operation;  NEITHER-NOR operation
 non-conjunction;  NAND operation;  NOT-BOTH operation
 draft refuser;  draft objector
 negative acknowledge;  NAK
 constituent negation;  word negation
 sentential negation;  sentence negation;  statement negation
 constituent negation;  word negation
 non-disjunction;  NOR operation;  NEITHER-NOR operation
 quasi-negation (e.g. use of words like 'hardly', 'seldom', 'barely');  weak negation
 non-conjunction;  NAND operation;  NOT-BOTH operation
 to take the ayes and noes
 considering the pros and cons of;  examining arguments for and against