"lapse" in the noun sense
1. oversight, lapse
a mistake resulting from inattention
a break or intermission in the occurrence of something
"a lapse of three weeks between letters"
3. backsliding, lapse, lapsing, relapse, relapsing, reversion, reverting
a failure to maintain a higher state
"lapse" in the verb sense
1. sink, pass, lapse
pass into a specified state or condition
"He sank into nirvana"
end, at least for a long time
"The correspondence lapsed"
3. lapse, backslide
drop to a lower level, as in one's morals or standards
4. relapse, lapse, recidivate, regress, retrogress, fall back
go back to bad behavior
"Those who recidivate are often minor criminals"
"He lapsed his membership"
6. elapse, lapse, pass, slip by, glide by, slip away, go by, slide by, go along
"three years elapsed"
Source: WordNet® (An amazing lexical database of English)
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