sceptic

Từ điển WordNet v3.1 - WordNet Dictionary

noun

someone who habitually doubts accepted beliefs
• Syn:
skeptic, doubter
• Derivationally related forms:
doubt (for: doubter), sceptical, skeptical (for: skeptic)
• Hypernyms:
intellectual, intellect
• Hyponyms:
doubting Thomas, pessimist

• Từ đồng nghĩa / Synonyms:
  skeptic, doubter