The doctor said I had a low pain threshold and that was why I was uncomfortable.
The Sun (2011)
And partly by what I freely admit is a shockingly lowthreshold of culinary acceptability on my part.
Times, Sunday Times (2014)
I have a very low boredom threshold.
Times, Sunday Times (2006)
Definition of 'threshold'
threshold
(θreʃhoʊld)Explore 'threshold' in the dictionary
countable noun [noun NOUN]
A threshold is an amount, level, or limit on a scale. When the threshold is reached, something else happens or changes.
Definition of 'low'
low
(loʊ)Explore 'low' in the dictionary
adjective
You can use low to indicate that something is small in amount or that it is at the bottom of a particular scale. You can use phrases such as in the low 80s to indicate that a number or level is less than 85 but not as little as 80.