discard discernible discerning discern disciple disciplinary disciplined discipline disclose disclosure discombobulate discomfiture discomfort disconcerted disconcerting disconcert disconnected disconnection disconsolately disconsolate discontentedly discontented discontentment discontent discontinuation discordant discord discount discouragement discourage discouraging discourse discourteous discovery discover discreditable discreetly discreet discrepancy discrepant discrete discretion discriminate discriminatory discursive discussion discuss