unknowledgeable

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

unaware because of a lack of relevant information or knowledge
- he was completely ignorant of the circumstances
- an unknowledgeable assistant
- his rudeness was unwitting
• Syn:
ignorant, unknowing, unwitting
• Similar to:
uninformed
• Derivationally related forms:
unknowing (for: unknowing), unknowingness (for: unknowing), ignorance (for: ignorant)