1) Abashed or embarrassed 2) Docile 3) Like an embarrassed grin 4) Like some grins 5) Meek 6) Shamefaced, embarrassed 7) Sheeplike 8) Showing a sense of shame Found on https://www.crosswordclues.com/clue/sheepish
Sheep'ish adjective 1. Of or pertaining to sheep. [ Obsolete] 2. Like a sheep; bashful; over-modest; meanly or foolishly diffident; timorous to excess. « Wanting change of company, he will, when he comes abroad, be a sheepish or conceited creature.» Locke. --... Found on http://www.encyclo.co.uk/webster/S/85