違和感

1. Origins, structure, and basic meaning

• Structure: 違和感, read いわかん, denotes a feeling that something in the body or an explanation is unusual or incongruous.
• Basic usage: It covers a strange physical sensation from new shoes and a sense that part of an explanation does not fit.

2. Common pitfalls and similar expressions

• Something feels off without necessarily hurting
  • It describes something feeling unusual or out of place before it is necessarily identified as pain or a definite error.