# Implicit Behavior

> Behavior a component performs that is not stated in its contract, surprising callers who come to depend on it.

Record: `lexicon:implicit-behavior`
Kind: anti-pattern
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-implicit-behavior

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Implicit Assumptions](https://banes-lab.com/records/lexicon/implicit-assumptions.md) and before [Proprietary Coupling](https://banes-lab.com/records/lexicon/proprietary-coupling.md).

## Category

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/records/lexicon-category/contracts-interfaces-compatibility.md)

## Negated by

- [Design by Contract](https://banes-lab.com/records/architecture/design-by-contract.md)

## Linked from

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/ontology/principles/architecture-category-contracts-interfaces-compatibility.md)