heaviness
词形变化：
形容词比较级: heavier | 形容词最高级: heaviest | 名词: heaviness | 名词复数: heavies |
同义词：
weight | importance | inertia | gloom | weightiness | bulk | mass | substance | solidity | immensity | thickness | burdensomeness | onerousness | ponderousness | oppressiveness |
反义词：
词义辨析：
同义参见:
inertia
weight
importance
gloom