1. (

• nescient ,
• unbelieving

) holding that only material phenomena can be known and knowledge of spiritual matters or ultimate causes is impossible ;

2. (

• ignorant ,
• nescient ,
• unlearned ,
• unlettered

) uneducated in general; lacking knowledge or sophistication; "an ignorant man"; "nescient of contemporary literature"; "an unlearned group incapable of understanding complex issues"; "exhibiting contempt for his unlettered companions" ;