Synonyms to thumbs down

abnegation, ban, blackball, blackballing, complaint, contradiction, declension, declination, declinature, declining, denial, deprivation, dim view, disagreement, disallowance, disappointment, disapprobation, disapproval, disclaimer, disclamation, discontent, discontentedness, discontentment, disenchantment, disesteem, disfavor, disgruntlement, disillusion, disillusionment, disobedience, displeasure, disrespect, dissatisfaction, dissent, distaste, exclusion, holding back, indignation, low estimation, low opinion, nay, negation, negative, negative answer, nix, no, nonacceptance, noncompliance, nonconsent, nonobservance, objection, opposition, opposure, ostracism, protest, recantation, refusal, rejection, repudiation, retention, turndown, unhappiness, unwillingness, withholding