inconsistent
1. (=erratic) [person] inconsecuente, voluble [quality, work, performance] irregular, desigual [behaviour, policies] contradictorio, incongruente
2. (=contradictory) [actions] inconsecuente [statement, account, evidence] contradictorio
·to be inconsistent [with] something
(=contradict) contradecir algo, no concordar con algo
(=not correspond with) no encajar con algo, no concordar con algo