Border, threshold, margin, extremity, boundary, advantage, head start, dominance, trim, surround, verge, infiltrate, sidle...
boundary, border, edge, limit, extreme
A synonym for varied is diverse.
A synonym for temper is temperament.
I don't think there is a synonym for adjoined it is an antonym.
Secure is a synonym for safe.
Edge
mierda
border, edge
edge, side
veer, edge, tilt
edge, inch, tilt.
edge, path, ridge, tier, way
border, edge, margin, rim
boundary, border, edge, limit, extreme
Goal, or I heard some call it basket
border, side, limit, outline, boundary, fringe, verge, brink, threshold
If you mean hone, then synonyms would be: acuminate, edge, file, grind, and whet.