1. not having received formal education or training; lacking instruction
2. natural or instinctive rather than learned

Examples

• Despite being untutored in music, she had a natural talent for singing.
• His untutored eye could not distinguish between the authentic and fake paintings.
• The untutored artist created beautiful works through pure instinct.
• She spoke with untutored honesty about her experiences.
• The untutored child showed remarkable mathematical ability.
• His untutored approach to cooking produced surprisingly delicious results.
• The critic dismissed the work as the product of an untutored mind.