1.Definition: filled with water

"Watery soil"

2.Definition: overly diluted; thin and insipid

"Watery milk"

Related Adjective(s):washy, weak

3.Definition: relating to or resembling or consisting of water

"A watery substance", "A watery color"

4.Definition: wet with secreted or exuded moisture such as sweat or tears

Related Adjective(s):reeking