1. Not wanted
   "undesirable impurities in steel"; "legislation excluding undesirable aliens"
   - unwanted 
2. Not worthy of being chosen (especially as a spouse)
   - unsuitable

1. One whose presence is undesirable
   "rounding up vagrants and drunks and other undesirables"

Derived forms: undesirables

See also: hateful, ineligible, undesirability, undesirably, unenviable, unwanted

Type of: persona non grata, unwelcome person

Antonym: desirable

• chairman of the board
• chairmanship
• chairperson
• chairwoman
• chaise
• chaise longue
• Chait
• chaja
• chakra
• chalaza
• chalazion
• chalcanthite
• Chalcedon
• chalcedonic
• chalcedony
• chalcid
• chalcid wasp
• Chalcidae
• chalcidfly
• Chalcididae
• Chalcis
• chalcis fly
• chalcocite
• chalcopyrite
• alkaptonuria