skeptical

having doubts about the truth or value of something; not believing that something is true or real

escéptico, dudoso, incrédulo

• be skeptical about/over something

Collocations skeptical about the evidence · skeptical of the claims

• He is quite skeptical about the new theory.

  Él es bastante escéptico sobre la nueva teoría.

not believing that something is true or real; having doubts about the truth of a statement, idea, etc.

escéptico, incrédulo, descreído

• be skeptical that

Collocations skeptical that the plan will work · skeptical that it is possible

• She was skeptical that he would come.

  Ella estaba escéptica de que él vendría.