VA'INLY, adv.
1. Without effect to no purpose ineffectually in vain.
In weak complaints you vainly waste your breath.
2. Boastingly with vaunting proudly arrogantly.
Humility teaches us not to think vainly nor vauntingly of ourselves.
3. Idly foolishly.
Nor vainly hope to be invulnerable.
The King James Bible has stood its ground for nearly 400 years. However, during that time the English language has changed, and with it the meanings of some words it used. Here are more than 6,500 words whose definitions have changed since 1611.Wikipedia
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