unbeknownst

Definition

Without the knowledge of.

Etymology

Variant of unbeknown with excrescent -st.

Example Sentences

• "He went home early, unbeknownst to his mother."
• "Theon’s redemption scene convincingly threatens to kill him right there on the beaches of Dragonstone, dying for a good cause unbeknownst to anyone but the rapscallions who watched him die, but at last it swerves into something genuinely heroic."