From Longman Dictionary of Contemporary Englishsheepishsheep‧ish /ˈʃiːpɪʃ/ adjective EMBARRASSEDslightly uncomfortable or embarrassed because you know that you have done something silly or wrong Sam looked a bit sheepish. a sheepish grin► see thesaurus at embarrassed —sheepishly adverb She smiled sheepishly.
Examples from the Corpus
sheepish• Debbie arrived late for work looking a bit sheepish.• When I confront him with his omissions and lies he just looks sheepish.• She looked relieved at first, then a little sheepish.• Beyond her Gav stood looking awkward and sheepish.• This, she thought with a sheepish giggle to herself, was ridiculous.• Then his smile became a sheepish grin and his shoulders hunched in a giggle.• Mr Purtill also posed for a picture with Mr Major, managing to rustle up a sheepish grin.• He gave her a sheepish look and said, "I'm very sorry, I forgot it was your birthday."• When he came to the window, he blinked with a sheepish smile.• Many economists avoid talking about unemployment in public, adopting a rather sheepish tone when forced to confront the issue.• Looking rather sheepish, we hesitantly listed one or two points, worrying that we might sound narcissistic or arrogant.looked ... sheepish• Even Gesner, the star, looked a little sheepish. 