Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun treadmill

3 senses of treadmill

Sense 1
treadmill -- (an exercise device consisting of an endless belt on which a person can walk or jog without changing place)
       => exercise device -- (a device designed to provide exercise for the user)

Sense 2
treadmill, treadwheel, tread-wheel -- (a mill that is powered by men or animals walking on a circular belt or climbing steps)
       => mill, grinder, milling machinery -- (machinery that processes materials by grinding or crushing)

Sense 3
treadmill, salt mine -- (a job involving drudgery and confinement)
       => occupation, business, job, line of work, line -- (the principal activity in your life that you do to earn money; "he's not in my line of business")