DETERIORATES
Verb
deteriorates
Third-person singular simple present indicative form of deteriorate
Source: Wiktionary
DETERIORATE
De*te"ri*o*rate, v. t. [imp. & p. p. Deteriorated; p. pr. & vb. n.
Deteriorating.] Etym: [L. deterioratus, p. p. of deteriorate to
deteriorate, fr. deterior worse, prob. a comparative fr. de down,
away.]
Definition: To make worse; to make inferior in quality or value; to impair;
as, to deteriorate the mind. Whately.
The art of war . . . was greatly deteriorated. Southey.
De*te"ri*o*rate, v. i.
Definition: To grow worse; to be impaired in quality; to degenerate.
Under such conditions, the mind rapidly deteriorates. Goldsmith.
Source: Webster’s Unabridged Dictionary 1913 Edition