seriously
词形变化：
副词: seriously | 名词: seriousness |
同义词：
solemn | grave | thoughtful | earnest | momentous | important | sincere | pensive | engrossed | zealous | weighty | significant | profound | burning | official | determined | consequential | devout | dangerous | constant | inexpiable | life-threatening | reflective | acute | genuine | thought-provoking | meaningful | staid | intense | crucial | grievous | good | unplayful | severe | sober |
反义词：