savin or savine /savˈin/

1. A species of juniper (Juniperus sabina) with very small imbricated leaves
2. An irritant volatile oil extracted from the tops of this plant, an anthelminthic and abortifacient
3. Extended to Virginian juniper (‘red cedar’) and other plants

• not fussed
• not fussy
• not give a damn
• not give a fig
• not give a tinker's curse
• not give a tinker's damn
• not give a toss
• not go amiss
• not good enough
• not guilty
• not half
• not half bad
• no thanks to
• not harm a fly
• not have a cat in hell's chance
• not have a clue
• not have a hope in hell
• not have a leg to stand on
• not have the faintest
• not have the foggiest
• not-headed
• not hear of
• nothing
• nothingarian
• nothingarianism