The Collaborative International Dictionary
Insalubrious \In`sa*lu"bri*ous\, a. [Pref. in- not + salubrious: cf. L. insalubris, F. insalubre.] Not salubrious or healthful; unwholesome; as, an insalubrious air or climate.
Douglas Harper's Etymology Dictionary
1630s, from Latin insalubris "unhealthy, unwholesome," from in- "not" (see in- (1)) + salubris (see salubrious).
Wiktionary
a. unhealthful, not providing or promoting health.
WordNet
adj. detrimental to health [syn: unhealthful, unhealthy]
Usage examples of "insalubrious".
Esias de Tenebre, Magnate and Registered Member of the Electorate of the Republic of Nova Babylonia, exhaled the smoke from his joint and gave a modest and not entirely coincidental cough as he passed the rather insalubrious object to the lady at his left.
The effects of the climate became, as usual, fatal to soldiers from the north, and the more so that the dissolute license of the Crusaders, forming a singular contrast to the principles and purpose of their taking up arms, rendered them more easy victims to the insalubrious influence of burning heat and chilling dews.