betwixt UK /bɪˈtwɪkst/US /bəˈtwɪkst/preposition 1phrases 2 preposition1 •(literary, no longer used) Between.There was some speech of marriage / Betwixt myself and her. — 1603 Phrases with betwixt betwixt and betweenNeither one thing nor the other. long betwixt the fingersDelayed, drawn out, or reluctantly completed.