Obvious is an adjective meaning easily perceived or understood; clear, self-evident, or apparent.
Common usage examples:
1. "It's obvious that she's lying" - Her lie is easy to see through
2. "The solution was obvious once we looked at the problem differently" - The answer became clear
3. "He made the obvious choice" - The most apparent and straightforward decision
Synonyms: clear, evident, apparent, manifest, plain, noticeable