mope
Concise Oxford English Dictionary © 2008 Oxford University Press:
mope/məʊp/
▶verb (often mope around/about) feel dejected and apathetic. ▶noun informal a person who mopes.
– derivatives
moper noun,
mopey (also mopy) adjective,
mopily adverb,
mopiness noun,
mopish adjective.
moper noun,
mopey (also mopy) adjective,
mopily adverb,
mopiness noun,
mopish adjective.
– origin C16: perh. of Scand. origin; cf. Swed. dial. mopa ‘to sulk’.
'mope' also found in these Oxford entries:

