1. In a covert manner
   "he did it covertly"

See also: covert

Antonym: overtly

• abort
• aborticide
• abortifacient
• abortion
• abortion pill
• abortion-inducing drug
• abortionist
• abortive
• abortively
• abortus
• aboulia
• aboulic
• abound
• abound in
• abounding
• about
• about time
• about turn
• about-face
• above
• above all
• above-mentioned
• above-named
• aboveboard
• aboveground