WordReference English Thesaurus © 2020
Sense: Noun: lack of concern
Sense: Verb: dismiss facts, opinions, etc.
pay no attention to, ignore , dismiss , overlook , neglect , not heed, fail to consider, brush aside, turn a deaf ear to , be indifferent to, laugh off, take no account of, be blind to , make light of, play down, underestimate , shut your eyes to, let sth go, let sth pass, give no consideration to, pay no mind to, pass over, pass up, pooh-pooh , let sth slide , gloss over
'disregard' also found in these entries:
abandon - bear with - blink at - break - breaking - brook - brush aside - brush off - carelessness - condone - contemn - count out - defy - dereliction - discount - disfavor - dismiss - disobedience - disrespect - distraction - except - exclude - excuse - forget - ignore - let slide - lose sight of - miscalculate - miscount - misprize - neglect - nonchalance - omit - overlook - override - pass - pass by - pass over - rebuff - shrug off - shut one's eyes to - slight - sloth - sneeze - think nothing of - waive