lapse

a mistake resulting from inattention

a break or intermission in the occurrence of something

• “a lapse of three weeks between letters”

a failure to maintain a higher state

pass into a specified state or condition

• “He sank into Nirvana”

end, at least for a long time

• “The correspondence lapsed”

drop to a lower level, as in one''s morals or standards

go back to bad behavior

• “Those who recidivate are often minor criminals”

let slip

• “He lapsed his membership”

pass by

• “three years elapsed”