IPA: /ˈæptɛst/
KK: /ˈæptɛst/
Most suitable or appropriate for a particular purpose or situation.
She is the aptest candidate for the job due to her extensive experience.
Comparative: aptester
Superlative: aptest
Aptest → It is formed from "apt" (from Latin "aptus", meaning suitable or fit) and "-est" (a superlative suffix indicating the highest degree). The word "aptest" means the most suitable or fit among others.
Think of 'apt' meaning suitable, and when you add '-est', it indicates the highest degree of suitability. So, 'aptest' means the most suitable.