IPA: //æbˈstræktɛst//
KK: /æb'stræktɛst/
This word describes something that is the most theoretical or not based on physical reality. It refers to ideas or concepts that are not concrete or tangible.
In his latest work, the artist explored the abstractest concepts of reality and perception.
Comparative: more abstract
Superlative: most abstract
Abstractest → It is formed from "abstract" (from Latin "abstractus", meaning drawn away or separated) and the superlative suffix "-est" (meaning most). The word "abstractest" refers to the most abstract or the highest degree of abstraction.
Think of something that is 'drawn away' ('abstract') to the highest degree ('-est') — that's why abstractest means the most abstract.
No commonly confused words.