1. people who have dreams while sleeping
2. people who have ambitious hopes or unrealistic ideas about the future
3. young immigrants brought to the U.S. as children who may qualify for DACA protection
Usage: political; informal

Examples

• Heavy dreamers often remember their dreams more vividly.
• The entrepreneurs were called dreamers by their critics.
• She’s one of those dreamers who believes anything is possible.
• The policy affects thousands of young dreamers across the country.
• Some dreamers become successful innovators and artists.
• Many dreamers struggle to turn their visions into reality.
• The dreamers rallied outside the courthouse for immigration reform.