IPA: /ˈtrɪk.i.ɪst/
KK: /ˈtrɪk.i.ɪst/
The most difficult or complicated to deal with or understand.
This is the trickiest puzzle I have ever solved.
Comparative: trickier
Superlative: trickiest
Trickiest → It is formed from "trick" (from Middle English *trik*, meaning a cunning or deceitful act) and the suffix "-iest" (meaning most). The word "trickiest" refers to something that is the most cunning or deceitful, or the most difficult to deal with.
Think of a 'trick' as a cunning act, and when something is the 'trickiest', it means it is the most cunning or difficult to handle.