Dictionary and Thesaurus

Definition of Undesirable

• (noun) one whose presence is undesirable; "rounding up vagrants and drunks and other undesirables"
• (adjective) not wanted; "undesirable impurities in steel"; "legislation excluding undesirable aliens";"removed the unwanted vegetation"
• (adjective satellite) not worthy of being chosen (especially as a spouse)

Synonyms of Undesirable

• Unwanted
• Unsuitable

Antonyms of Undesirable

• Desirable

Homophones of Undesirable