Mar"gin*al (?), a. [Cf. F. marginal.] 1. Of or pertaining to a margin.

2. Written or printed in the margin; as, a marginal note or gloss.

• of, relating to, or located at a margin or an edge
       
• The marginal area at the edge of the salt-marsh has its own plants
  
• geographically adjacent
       
• Monmouthshire is a Welsh county marginal to England
  
• written in the margin of a book
       
• There were more marginal notes than text
  
• at the lower extent of a standard
       
• His writing ability was marginal at best
  
• of land that is barely productive
       
• He farmed his marginal land with difficulty
  
• (mostly British) of a parliamentary constituency that needs few people to change their previous voting behaviour to change the previous result
       
• In Bristol West, Labour had a majority of only 1,000 so is highly marginal this time