Incorrupt

adj.thoughtful, resilientformal

Meaning 1

Not morally corrupted, dishonest, or open to bribery.

Reach for it when giving elevated praise to integrity that has resisted improper influence

The incorrupt inspector published every gift and recused herself when needed.

everyday
honest
truthful and fair conduct needs direct praise
not when Honest does not show that pressure or temptation has been resisted.
warm
upright
consistent moral conduct deserves personal respect
not when Upright feels dated and says little about institutional safeguards.
formal
incorruptible
resistance to bribery or decay is an enduring quality
not when Incorruptible is more common and stronger about inability, not just present condition.

Not decayed, spoiled, or materially degraded.

Reach for it when using a rare technical or historical sense for something preserved from decay

The sealed chamber held incorrupt fragments of the original textile.

everyday
unspoiled
original condition remains free from damage or interference
not when Unspoiled can describe a landscape and not literal resistance to decay.
professional
intact
no essential part has been lost or damaged
not when Intact material can still be chemically decaying.
literary
imperishable
survival across time is the elevated claim
not when Imperishable suggests indefinite endurance beyond one preserved state.

incorrupt character
Her incorrupt character mattered most when the contract pressure grew.
remain incorrupt
Transparent procedures helped the office remain incorrupt through rapid growth.
incorrupt remains
The account described incorrupt remains without explaining the preservation conditions.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.