disregardful

[ dis-ri-gahrd-fuh l ]

/ ˌdɪs rɪˈgɑrd fəl /

neglectful; careless.

Origin of disregardful

First recorded in 1630–40; dis-¹ + regardful

dis·re·gard·ful·ly, adverb dis·re·gard·ful·ness, noun

She was serenely self-possessed, superbly cool, and attentive to the obnoxious Hayes, in proportion as she was disregardful of me.

The Continental Monthly, Vol 2, No 6, December 1862 |Various
Drivers of vehicles were disregardful of these exhausted, hungry refugees and drove straight through the crowd.

The San Francisco Calamity |Various
All night the woman watched, heedless of the chill creeping upon her, disregardful of her own great weariness.

The Brand |Therese Broderick
Upon this, and this only, was he disregardful of the proprieties.

Autobiography of Andrew Carnegie |Andrew Carnegie

So disregardful are they of this circumstance, that they do not hesitate to sleep where the ground is saturated with moisture.

Canadian Crusoes |Catherine Parr Traill