disrespect
definition
lack of respect or courtesy towards someone or something
example
His constant interruptions showed a complete lack of respect and disrespect for her opinions during the meeting.
synonyms
disregardcontemptdisdain
word origin — The word 'disrespect' is formed from 'dis-' meaning 'not' and 'respect', which comes from the Latin 'respectus' meaning 'to look back at' or 'regard'.