sheep·ish 
/ˈʃi:pɪʃ/ adjective
/ˈʃi:pɪʃ/ adjective [more sheepish; most sheepish] : showing or feeling embarrassment especially because you have done something foolish or wrong
▪ a sheepish look/grin/smile ▪ He felt a little sheepish.
▪ a sheepish look/grin/smile ▪ He felt a little sheepish.
— sheep·ish·ly adverb
▪ He sheepishly admitted his mistake. ▪ She grinned at us sheepishly.
▪ He sheepishly admitted his mistake. ▪ She grinned at us sheepishly.
