(a.) Having no artful, ulterior, or fraudulent purpose; sincere; artless; simple.

arcadian bucolic genuine guileless homespun honest inartificial native natural naturelike pastoral real rural sincere TRUE unadorned unaffected unartificial unassumed unassuming unbeguileful unbeguiling uncalculating undeceitful undeceiving undeceptive undisguised undisguising undissembled undissembling undissimulated undissimulating unembellished unfeigned unfeigning unflattering unpretended unpretending unpretentious unspoiled untrimmed unvarnished