IPA: /dɪˈmɛntɪŋ/
KK: /dɪˈmɛntɪŋ/
Causing a decline in mental ability, often leading to confusion and memory loss.
The dementing effects of the disease made it difficult for her to recognize her family.
Dementing → It is formed from "de-" (meaning down or away) and "ment" (from Latin "mens", meaning mind). The word describes the process of causing a decline or deterioration of the mind.
Think of 'de-' meaning down or away, and 'ment' relating to the mind — this helps you remember that 'dementing' refers to a decline in mental function.