Synonyms:
- blunt,
- blunt-witted,
- dim,
- dim-witted,
- dopey,
- dull,
- dull of mind,
- dull-headed,
- dull-pated,
- dull-witted,
- fat-witted,
- gross-headed,
- heavy,
- hebetudinous,
- obtuse,
- slow,
- sluggish,
- thick-brained,
- thick-headed,
- thick-pated,
- thick-witted,
- thickskulled,
- wooden