IPA: /dɪsˈtrʌstfəl/
KK: /dɪsˈtrʌstfəl/
The condition of being suspicious or not trusting others.
Her distrustfulness made it hard for her to form new friendships.
Distrustfulness → It is formed from "dis-" (meaning apart or away) and "trust" (from Old French *troster*, meaning to rely on or have confidence in) and "-fulness" (meaning the state of being full of). The word "distrustfulness" means the state of being full of distrust or lacking confidence in someone or something.
Think of being 'away from' trust ('dis-') and feeling 'full of' distrustfulness — that's why distrustfulness means having a lot of distrust.