Incorruptible

adj.thoughtful, resilientformal

Meaning 1

Unwilling to trade honest duty for pressure, reward, or personal advantage.

Reach for it when praising moral reliability where temptation or influence is a real risk

The incorruptible auditor documented every offer made during the review.

everyday
honest
truthful and fair conduct is enough to describe the person
not when Honest does not specifically show resistance to bribery or coercion.
warm
upright
moral decency should sound personal and established
not when Upright can feel dated and says less about direct temptation.
professional
principled
consistent values guide difficult decisions
not when Principled allows human error and is less absolute than incorruptible.
formal
unbribable
refusal of material inducement is the exact point
not when Unbribable is narrower because corruption can also involve loyalty or threats.
literary
steadfast
loyal adherence under pressure deserves emphasis
not when Steadfast can attach to a harmful cause and does not guarantee integrity.

Not subject to decay or destruction.

Reach for it when using the technical or theological sense for something preserved from corruption

The tradition describes the relic as incorruptible.

literary
imperishable
endurance without decay is the intended elevated meaning
not when Imperishable says nothing about moral resistance.

incorruptible judge
An incorruptible judge refused favors from every faction.
incorruptible integrity
Her incorruptible integrity became the office's quiet standard.
seem incorruptible
A process must not merely seem incorruptible; its decisions should be auditable.

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