Dictionary & Thesaurus

1.

(noun) the quality of lacking intensity or substance; "a shrill yet sweet tenuity of voice"- Nathaniel Hawthorne

Synonyms: tenuity

Related Words: weakness

2.

(noun) the state of being weak in health or body (especially from old age)

Synonyms: debility, frailness, frailty, infirmity

Related Words: asthenia, astheny, bad condition, cachexia, cachexy, poor shape, unfitness