A very rare or archaic form meaning chaste or pure; this appears to be a non-standard or obsolete variant of 'chaste.'
This appears to be an obsolete or dialectal form derived from 'chaste,' using an older English adjectival ending pattern. It's not found in modern standard dictionaries and likely represents a historical spelling or regional variant.
Some words simply disappear from English as we standardize spelling—'chasty' probably existed in Middle English texts but lost out to 'chaste,' showing how language naturally prunes redundant forms over centuries of use.
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