Anagrams of: UNCHALLENGING

• requiring full use of your abilities or resources

• stimulating interest or thought

• disturbingly provocative

• conforming to the same principles or course of action over time

• showing little if any change

• a person of subnormal intelligence

• a child secretly exchanged for another in infancy

• a path over which electrical signals can pass

• a passage for water (or other fluids) to flow through

• a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)

• a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels

• (often plural) a means of communication or access

• a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance

• a television station and its programs

• a way of selling a company's product either directly or via distributors

• transmit or serve as the medium for transmission

• direct the flow of

• send from one person or place to another

• To make or cut a channel or groove in.

• To direct or guide along a desired course.

• (of a spirit, as of a dead person) To serve as a medium for.

• To follow as a model, especially in a performance.

• A channel or furrow.

• The act by which something is channelled.

• marked by continuous change or effective action

• the act of moving a newly built vessel into the water for the first time

• the act of beginning something new

• the act of propelling with force

• increase the level of

• make better or more attractive