1. natural and sincere; without pretense or deception
2. lacking skill or knowledge in art; crude or clumsy

Examples

• Her artless smile convinced everyone of her honesty.
• The child’s artless questions revealed his genuine curiosity.
• His artless manner made him easy to trust.
• The painting was artless but charming in its simplicity.
• She gave an artless performance that lacked technical skill.
• The artless design of the building showed the architect’s inexperience.
• His artless attempt at humor fell flat with the audience.