lights are on but nobody's home
- vacantWithout an occupant
- emptyHolding nothing inside
- absentNot in attendance
- zonedDivided by designated use
- spacedWith gaps between
clueless · oblivious · blank · dazed · hollow · shell · autopilot · glazed · stare · dimwit · airhead · disconnected · unaware · mindless · zombie · sleepwalking · vegetable · dense
mental acuity/awareness
lights are on but nobody's homesharp as a tack
Extremely intelligent and alert
quick on the uptake · all there · quick-witted · bright · sharp
appearance vs. reality alignment
lights are on but nobody's homemore than meets the eye
Hidden significance underneath
what you see is what you get · genuine article · walks the talk · diamond in the rough