minor
major, serious
a serious lapse in judgment

unfortunate
brief, momentary, temporary
sudden
occasional, rare
Dawson's occasional lapses of concentration

memory, mental
I keep suffering these mental lapses.

intelligence, security
the investigation into security lapses at the laboratory

odd (BrE)
It was an odd lapse for one who is normally so polite.

ethical, moral (both esp. AmE)
allegations of ethical lapses

have, suffer
I had a momentary lapse when I couldn't remember his name.

lapse in
a lapse in attention

lapse of
sudden lapses of concentration

brief
long
I'm sorry for the long lapse of time between updates.

time

lapse of
after a considerable lapse of time
a time lapse of three months