unpretentious
adjective
[ ʌnprɪˈtɛnʃəs ]
• not attempting to impress others with an appearance of greater importance, talent, or culture than is actually possessed.
• "a friendly and unpretentious hotel"
Similar:
unaffected,
modest,
unassuming,
without airs,
natural,
straightforward,
open,
honest,
sincere,
frank,
ingenuous,
artless,
guileless,
honest-to-goodness,