Synonyms of lapse in English:

lapse


See definition of lapse

noun

1‘a momentary lapse of concentration’

SYNONYMS
failure, failing, slip, error, mistake, blunder, fault, omission, oversight, negligence, dereliction
informal slip-up, fail

2‘his lapse into petty crime’

SYNONYMS
decline, downturn, fall, falling, falling away, slipping, drop, deterioration, worsening, degeneration, dereliction, backsliding, regression, retrogression, decay, descent, sinking, slide, ebb, waning, corruption, debasement, tainting, corrosion, impairment

3‘after this lapse of time I can look at it more calmly’

SYNONYMS
interval, gap, pause, intermission, interlude, lull, hiatus, break
passage, course, passing, period, term, span, spell

verb

1‘the applicants let the planning permission lapse’

SYNONYMS
expire, become void, become invalid, run out, terminate, become obsolete

2‘do not let friendships lapse’

SYNONYMS
end, cease, come to an end, stop, terminate, vanish, disappear, pass, fade, fall away, dwindle, wilt, wither, die

3‘morality has lapsed’

SYNONYMS
deteriorate, decline, fall, fall off, drop, worsen, degenerate, decay, rot, backslide, regress, retrogress, get worse, sink, wane, slump, fail
informal go downhill, go to pot, go to the dogs, go down the toilet, hit the skids
ANTONYMS

improve, strengthen

4‘she lapsed into silence’

SYNONYMS
revert, relapse, fall back
drift, slide, slip, sink, subside