The word for today is…
cynical (adj) – 1. Believing or showing the belief that people are motivated chiefly by base or selfish concerns; skeptical of the motives of others.
2. Selfishly or callously calculating.
3. Negative or pessimistic, as from world-weariness.
4. Expressing jaded or scornful skepticism or negativity.
Source : The Free Dictionary
Etymology : 1580s, “resembling Cynic philosophers,” from cynic + -al. By late 17th century the meaning had shaded into the general one of “critical, disparaging the motives of others, captious, sneering, peevish.”