feel pain, grieve, suffer
An indolent person is lazy.
Something that is dolorous, such as music or news, causes mental pain and sorrow because it itself is full of grief and sorrow.
If you condole with someone, you express sympathy or sorrow, usually on the death of someone dear.
expressions of sympathy or sorrow
filled with or evoking sadness
sadness caused by grief or affliction
(poetry) painful grief
inactivity resulting from a dislike of work
Differentiated vocabulary for your students is just a click away.