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v. Third-person singular simple present indicative form of impair.

"One may finally refer to the ingenious but improbable explanation of Choisy, who translates it echelons impairs, and explains them as offsets arranged according to the odd numbers, _nombres impairs_, i. e., offsets varying at equal intervals in the proportion of 1, 3, 5, 7,"

improve    amend   

impaired    impairing    impairs   

damage   

spoil   

impairment   

deteriorate    diminish    enfeeble    weaken    debilitate    debase    injure    decrease    reduce    diminution   

Adair    Aer    Altair    Astaire    Ayre    Baer    Bear    Blair    Cher    Clair   

insuff    parenchyma    antigen-specific    T cell    dysfunction    impairment    fibroblast    heatstroke    mucosal    oxidative