adjective
a word that describes or modifies a noun or pronoun, in this case 'unassuming' describes someone who is modest or unpretentious
-
The professor was an unassuming figure in the academic world, despite his groundbreaking research.
-
She may seem unassuming at first, but don't underestimate her intelligence.
-
I love how unassuming he is, just chilling and not trying to impress anyone.
-
The small flower may seem unassuming, but it holds the power to brighten up the entire garden.