eccentrically

From eccentric +‎ -ally.

eccentrically (comparative more eccentrically, superlative most eccentrically)

1. In an eccentric manner.
   • 1963, Margery Allingham, chapter 17, in The China Governess: A Mystery, London: Chatto & Windus, →OCLC:

     The face which emerged was not reassuring. […]. He was not a mongol but there was a deficiency of a sort there, and it was not made more pretty by a latter-day hair cut which involved eccentrically long elf-locks and oiled black curls.