Term: marathon: any long and arduous undertaking
Broader: undertaking: any piece of work that is undertaken or attempted | Unrelated: hockey clinic: a meeting at which hockey players receive special evaluation and instruction
Broader: undertaking: any piece of work that is undertaken or attempted | Unrelated: cephalopod: marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles
Broader: undertaking: any piece of work that is undertaken or attempted | Unrelated: beanstalk: stem of a bean plant
Broader: undertaking: any piece of work that is undertaken or attempted | Unrelated: chorale: a stately Protestant (especially Lutheran) hymn tune
Broader: undertaking: any piece of work that is undertaken or attempted | Unrelated: expostulation: an exclamation of protest or remonstrance or reproof
Broader: undertaking: any piece of work that is undertaken or attempted | Unrelated: system program: a program (as an operating system or compiler or utility program) that controls some aspect of the operation of a computer
Broader: undertaking: any piece of work that is undertaken or attempted | Unrelated: boat hook: pole-handled hook used to pull or push boats
Broader: undertaking: any piece of work that is undertaken or attempted | Unrelated: radish: radish of Japan with a long hard durable root eaten raw or cooked
Broader: undertaking: any piece of work that is undertaken or attempted | Unrelated: song: the act of singing
Broader: undertaking: any piece of work that is undertaken or attempted | Unrelated: winceyette: cotton flannelette with a nap on both sides