on head (adjective) upside-down: overturned, inverted
Sinonime: careless,
heedless,
ignorant, imperceptive,
inattentive,
inconsiderate,
indiscriminate, injudicious,
insensitive,
myopic, nearsighted, neglectful,
oblivious,
thoughtless,
unaware,
unconscious, undiscerning, unmindful, unobservant, unperceiving, unreasoning, unseeing
Antonime: aware,
cunning,
quick,
sharp,
understanding