painful

extremely painful

very painful

very surprisingly painful

causing pain to the body

extremely painful, to the point of being unbearable

causing pain to one's feelings or mind

intensely or sharply painful

to cause emotional or physical pain

to give the impression of being painful

to appear to be causing pain

to start to be painful

to start to be painful (more informal)

to consider or realize that something is painful

causing pain to a specific person