- in a way that causes or shows grief, sorrow, pain, or suffering:There is no denying that the inmates were grievously malnourished.The first marine he reached was grievously wounded, and his medical assistance was undoubtedly instrumental in saving the man's life.
- in a way that is flagrant or outrageous:The accomplished actress is grievously wasted as a femme fatale who doesn't utter a single word.The court concluded that the manager had put himself in a position in which his own private interests conflicted grievously with those of his employer.
- in a way that is burdensome or oppressive:The energy necessary to manufacture sufficient solar collectors would itself add grievously to the global burden of pollution and greenhouse gas.