adjective

expressing adverse or disapproving comments or judgements.

I was very critical of the previous regime

censorious,condemnatory,condemning,castigatory,reproving,denunciatory,deprecatory,disparaging,disapproving,scathing,criticizing,fault-finding,judgemental,negative,unfavourable,unsympathetic,hypercritical,ultra-critical,overcritical,pedantic,pettifogging,cavilling,carping,quibbling,niggling,pass-remarkable,nitpicking,hair-splitting,picky,griping,bitching,bellyaching,whingeing,pernickety,persnickety,reprobatory,reprobative