Synonyms for Dumbo:

• adj.

  •limited (adjective)
  • retarded.
  •retarded (adjective)
  • more retardo,
  • dummiest,
  • sub-normal,
  • most retardo,
  • slowwitted,
  • simple minded,
  • dim witted,
  • most dumdum,
  • more yo-yo,
  • more dumbbell,
  • most underachieving,
  • most dumbbell,
  • more gorked,
  • most dumbo,
  • sub normal,
  • more numbskull,
  • most subnormal,
  • most gorked,
  • most numbskull,
  • more dumdum,
  • most yo-yo,
  • slow witted,
  • most lamebrained,
  • feeble minded,
  • more subnormal,
  • more pinhead,
  • more yo yo,
  • more lamebrained,
  • yo yo,
  • under achieving,
  • re-tardo,
  • re tardo,
  • most yo yo,
  • under-achieving,
  • dummier,
  • half witted,
  • more dumbo,
  • more yoyo,
  • most pinhead,
  • most yoyo,
  • more underachieving.

• n.

  •dumbbell (noun)
  • dumdums.
  •dummy (noun)
  • knucklehead,
  • halfwit,
  • idiot,
  • ignoramus,
  • fool,
  • oaf,
  • imbecile,
  • nitwit,
  • simpleton,
  • knothead.

• Other synonyms:

  •
  • dimwit,
  • chump,
  • dummkopf,
  • thickhead.
  •
  • blockhead,
  • dummy,
  • dumbbell,
  • dolt,
  • dunce,
  • numskull,
  • dullard.
  •
  • clod.
  •Other relevant words:
  • joker,
  • ability,
  • lump,
  • clown,
  • maniac,
  • dope,
  • airhead,
  • numpty.