Dimmest

9 clues
Faintest
Most faded
Least brainy
Least bright
Least hopeful
Least visible.
Least sharp-witted
Superlatively stupid
Most poorly-lit (room)
Similar answers:
Abedtimestory
Adim
Adime
Adimea
Adimeadozen
Adimple
Agoodimpression
Airdimebag
Anddimestore
Andim
Andimeanit
Andimout
Andimouttahere
Asdim
Assumesthemantle
Asteroidimpact
Attimesthe
Badimpressionism
Bedim
Bedims