Released on the 1986 album Lifelines, "Less Than Pure" is a synth-pop track by the Norwegian band A-Ha. The song exemplifies the group's signature sound, blending melodic pop structures with electronic instrumentation that became a hallmark of their early career. It features the distinctive vocal style of lead singer Morten Harket, characterized by his emotive delivery and soaring high notes. The track was part of a period where A-Ha solidified their international reputation, contributing to their success with anthemic songs that defined the mid-1980s synth-pop landscape. While not one of their most commercially charted singles, the song remains a representative piece of their discography, showcasing the atmospheric production and lyrical themes of the era.