Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun low-water_mark

2 senses of low-water mark

Sense 1
nadir, low-water mark -- (an extreme state of adversity; the lowest point of anything)
       => adversity, hardship, hard knocks -- (a state of misfortune or affliction; "debt-ridden farmers struggling with adversity"; "a life of hardship")

Sense 2
low-water mark -- (a line marking the lowest level reached)
       => water line, watermark -- (a line marking the level reached by a body of water)