DETERIORATE, degenerate, decline, decay, fall into decay, go to rack and ruin, go downhill, moulder, rot; informal go to pot, go to the dogs, go down the toilet.
2192; headword
RUN TO SEED
Meaning of RUN TO SEED in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012