is down the mouth (verb) mope: pout, be dejected
Sinonime: abashed,
apologetic,
bashful, blushing, chagrined, compunctious, conscience-stricken,
contrite,
crestfallen, debased, demeaned, discomfited, disconcerted,
distraught,
distressed, embarrassed, flustered,
guilty,
hesitant,
humble, humbled, humiliated,
meek, mortified, muddled,
penitent,
regretful,
reluctant, repentant, shamed, shamefaced,
sheepish,
shy,
sorry, stammering, stuttering,
submissiveAntonime: bold,
defiant, immodest, not sorry,
shameless, unregretful, unremorseful, unself-conscious