겸연쩍어요 · 겸연쩍었어요 · 겸연쩍은 (+noun)
to be awkward, sheepish, embarrassed
Example
칭찬을 받으니 겸연쩍어서 웃기만 했어요.
I felt sheepish at the praise, so I just smiled.
Word parts
겸 dissatisfied+연 -ly
Sino 겸연 + native -쩍다 'feeling like'; the variant 계면쩍다 is also standard and common in speech.
Good to know
Pronounced [겨면쩍따]; common pattern: 겸연쩍게 웃다 — to smile sheepishly.