会合はだらだらと続いた。

meeting; assembly; association; conjunction

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

in drops; dripping; trickling; streaming; flowing; gently (sloping); sluggishly; endlessly; lengthily; leisurely; idly; slowly; slovenly

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

to continue; to last; to go on; to continue (without a break); to be unbroken; to occur again and again; to lead to; to connect to; to adjoin; to come after; to follow; to succeed; to rank next to; to hold out; to keep; to last