1. Like a voyeur
   "he sneaks voyeuristically around the swimming pool"

See also: voyeuristic

• unaged
• unageing
• unaggressive
• unaging
• unagitated
• unai
• unaided
• unaired
• unairworthy
• unalarming
• unalert
• unalienable
• unaligned
• unalike
• unalloyed
• unalterability
• unalterable
• unalterably
• unaltered
• unambiguity
• unambiguous
• unambiguously
• unambitious
• unambitiously
• unamended