Noah Webster's Dictionary (a.) Wanting in respect; manifesting disesteem or lack of respect; uncivil; as, disrespectful behavior.

Multi-Version Concordance Disrespectful (1 Occurrence) 1 Timothy 6:2 Those who have believing masters, let them not despise them, because they are brothers, but rather let them serve them, because those who partake of the benefit are believing and beloved. Teach and exhort these things. (See NAS RSV)