slow in thought, perception, or mental understanding

intellectually slow, dull, or lacking mental sharpness

blunt instrument (used as a weapon)

mentally dull or slow to understand and grasp new ideas

The outcome or result of an action, whether it is favorable or unfavorable.

not sharp or dull, particularly in reference to a tool or instrument

(bird species of China) blunt-winged warbler (Acrocephalus concinens)

mental numbness or a lack of sensitivity and interest toward external changes or stimuli

mentally slow, dull, or lacking in sharpness (literary)

a reduced ability to taste or a dulled sense of taste