Also, under par. Not up to the average, normal, or desired standard. For example, I am feeling below par today, but I'm sure I'll recover by tomorrow. This term employs par in the sense of “an average amount or quality,” a usage dating from the late 1700s.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use below par in a sentence
I am still below par in strength, and am too much beset with visitors and kind attentions.George Eliot's Life, Vol. III (of 3) | George Eliot
Harrison was a most conscientious old body if somewhat below par in educational advantages.Peggy Stewart at School | Gabrielle E. Jackson
When our money is only worth eighty cents on the dollar, we feel twenty per cent, below par.The Works of Robert G. Ingersoll, Vol. 9 (of 12) | Robert G. Ingersoll
Our exports again exceed our imports, and foreign exchange is at 7-1/4 in gold, or two per cent below par.
The Monitor is rather early, yields large crops; but as its quality is below par, it brings a low price in market.The $100 Prize Essay on the Cultivation of the Potato; and How to Cook the Potato | D. H. Compton and Pierre Blot