deteriorate-v; 1 Senses

Sense Number 1: become or make worse in quality, value, or strength

She was taken into hospital last week when her condition suddenly deteriorated.
The political situation in the region has deteriorated rapidly.
His mind deteriorated in his golden years.

VerbNet: other_cos-45.4,entity_specific_cos-45.5
FrameNet: NP
PropBank: deteriorate.01
WordNet 3.0 Sense Numbers: 1, 2