Not centrally placed. Of an axis, etc.: Not passing through the centre.

Variant of eccentric, adj.; the preferred spelling for senses 2 and 3a in Botany, and in contexts where a writer wishes to avoid the associations…

Not quite in the centre; (figurative) not conforming to the expected or the norm; quirky, eccentric, odd.

Not central; positioned away from the centre. Also figurative: unbalanced, eccentric, skewed.