Definition of under par in English:

under par


(also below par)
  • Worse than is usual or expected.

    • ‘poor nutrition can leave you feeling under par’
    substandard, inferior, not up to standard, not up to scratch, under par, below average, lacking, wanting, second-rate, mediocre, middling, poor, bad, inadequate, unsatisfactory, uninspired, undistinguished
    slightly unwell, not well, not very well, not oneself, not in good shape, out of sorts