Synonyms of lessen in English:

lessen


See definition of lessen

verb

1‘exercise lessens the risk of coronary heart disease’

SYNONYMS
reduce, make less, minimize, make smaller, decrease
allay, assuage, alleviate, attenuate, palliate, ease, dull, deaden, blunt, take the edge off, moderate, mitigate, check, dampen, depress, soften, tone down, dilute, relax, mollify, temper, weaken, tame, erode
narrow, lower, discount
curtail, prune, pare down, truncate
informal slash
ANTONYMS

increase, magnify

2‘the pain in his chest began to lessen’

SYNONYMS
grow less, get less, grow smaller, decrease, diminish, decline, subside, abate, moderate
fade, die down, die off, let up, ease off, tail off, drop, drop away, drop off, fall, dwindle, taper off, peter out, come down, go down, shrink, contract
ebb, wane, erode, waste away, flag, attenuate, slacken, lighten, quieten, recede, relent, remit, desist
sink, slump, plummet
informal nosedive
ANTONYMS

increase, grow

3‘his behaviour lessened him in their eyes’

SYNONYMS
diminish, lower, reduce, minimize, degrade, discredit, devalue, belittle, humble
ANTONYMS

aggrandize, make more important