IPA: /əˈfɛktləsnəs/
KK: /əˈfɛktləsnəs/
The condition of showing no emotions or feelings; being emotionally detached or indifferent.
His affectlessness made it difficult for others to connect with him emotionally.
Affectlessness → It is formed from "affect" (from Latin "afficere", meaning to influence or have an effect on) and "-lessness" (meaning without). The word "affectlessness" describes a state of being without emotional influence or feeling.
Think of being 'without' ('-lessness') any 'influence' or 'effect' ('affect') — that's what affectlessness means.