Upper-Intermediate (B2)
IPA: /ˌɪn.səˈluː.bri.əs/
KK: /ɪnˈsæl.ju.brɪ.əs/
Definition
Not good for health; harmful or unhealthy.
Example
The insalubrious conditions in the old building made many residents sick.
Conversation

Have you noticed how insalubrious the air feels in that part of town?

Yeah, I felt a bit sick after walking through there the other day.

I think it's because of all the factories nearby; it's really concerning.

Absolutely, we should avoid that area as much as possible for our health.
Synonyms & Antonyms
Synonyms
unhealthy
harmful
detrimental
Antonyms
wholesome
salubrious
beneficial
Root Explanation
Insalubrious is formed from "in-" (meaning not) and "salubris" (from Latin, meaning healthful or wholesome). The word describes something that is not healthful or detrimental to health.
Memory Tip
Think of 'not' ('in-') being combined with 'healthful' ('salubris') to remember that insalubrious means something that is not good for your health.
Visually Confused Words
unsalubrious
salubrious
salubriously