Search Result for "low-water mark":
Wordnet 3.0

NOUN (2)

1. an extreme state of adversity; the lowest point of anything;
[syn: nadir, low-water mark]

2. a line marking the lowest level reached; 



WordNet (r) 3.0 (2006):

low-water mark
    n 1: an extreme state of adversity; the lowest point of anything
         [syn: nadir, low-water mark]
    2: a line marking the lowest level reached