simple honesty; tactless frankness
Describes a person or behavior that is straightforward and honest to the point of being blunt or lacking tact. Can be positive (sincere, unpretentious) or negative (socially clumsy, overly direct).
His simple, honest attitude actually earned him trust.
When I told the facts with tactless frankness, I ended up making the other person angry.
Compound of 愚 (foolish, simple) and 直 (straight, honest). The word combines the idea of being straightforward with a touch of foolishness or lack of sophistication.