oblivious
uh-BLIV-ee-usadjMeaning not aware of what is happening around you
Memory hook “OH, BLISS!” lost in his music. Felix bobs his head to the songs in his headphones, “Oh, bliss!”, while the dog trots off with his sandwich. He is oblivious.
Lost in her book, Maya was oblivious to the rain soaking her shoes.
In context The tourists were so busy taking pictures that they were oblivious to the sign warning that the tide was coming in fast.
Similar unaware, unmindful, unconscious, inattentive
Opposite aware, cognizant, alert
From Latin obliviosus, “forgetful,” from oblivisci, “to forget.”