For describing objects:
* Blunt: This is the most common opposite, meaning not having a sharp edge or point.
* Dull: Similar to blunt, but can also refer to a lack of sharpness in a tool or blade.
* Rounded: Describes an object with no sharp edges or points.
* Smooth: Describes an object that has a surface without any sharp edges or projections.
For describing senses:
* Soft: The opposite of sharp in terms of sound, taste, or feel.
* Muffled: This is the opposite of sharp in terms of sound.
* Bland: This is the opposite of sharp in terms of taste.
For describing personality:
* Obtuse: Means slow to understand or lacking in intelligence.
* Unintelligent: Lacking in intelligence or sharpness of mind.
* Naive: Lacking in experience, wisdom, or knowledge.
For describing angles:
* Obtuse: An angle greater than 90 degrees.
It's important to understand the context to choose the most appropriate opposite word.