Intermediate (B1)
IPA: /dɪˌtɪə.ri.əˈreɪ.ʃən/
KK: /dɪˌtɪrɪəˈreɪʃən/
Definition
The process of becoming worse or declining in quality or condition.
Example
The deterioration of the building was evident after years of neglect.
Conversation

Have you noticed any signs of deterioration in that old building downtown?

Yeah, the paint is peeling and the windows are broken.

It’s sad to see such a historic place in such a state of deterioration.

I agree! I hope they decide to renovate it soon.
Synonyms & Antonyms
Synonyms
decline
degradation
diminution
Antonyms
improvement
enhancement
advancement
Root Explanation
Deterioration → It is formed from "deteriorare" (meaning to make worse) and the suffix "-tion" (indicating the action or process of). The word "deterioration" refers to the process of becoming worse or declining in quality.
Memory Tip
Think of the word 'deteriorate' meaning to 'make worse' and remember that 'deterioration' is the process of that happening.
Visually Confused Words
exterioration
undeteriorating
exteriorization
detrition
dextrorotation
dextrogyration
stercoration
heterization