Synonyms of obscurely

2 Syllables
dully, thickly, darkly, humbly
3 Syllables
stealthily, privily, secretly, abjectly, covertly, dingily, duskily, gloomily, vaguely, hazily
4 Syllables
insidiously, furtively, indistinctly, invisibly, illegibly, ingloriously, nebulously, tenebrously, unsurely
5 Syllables
submissively, indefinably, underhandedly
6 Syllables
indecisively, unintelligibly, indefinitely, unobtrusively
7 Syllables
apologetically