IPA: /ˈlɔːftiəst/
KK: /ˈlɔf.ti.ɪst/
The highest or most elevated in position, status, or quality.
The loftiest mountains in the world are found in the Himalayas.
Comparative: loftier
Superlative: loftiest
Loftiest → It is formed from "lofty" (from Old Norse *loptigr*, meaning high or elevated) and the suffix "-est" (meaning the most). The word "loftiest" means the most high or elevated in comparison to others.
Think of something that is the "most high" or "most elevated" — that's what loftiest means.