very unpleasant to look at - used about people, objects, and buildings:
• She thinks she's ugly but she's not. • an ugly block of flats • cheap ugly furniture
not pleasant to look at. Unattractive sounds more formal and less strong than ugly:
• an unattractive modern town which was built during the 1960s • Women found him unattractive.
formal not pleasant to look at, and spoiling the appearance of something:
• Unsightly red spots started to appear on her face. • The windows have been blocked off with unsightly metal bars.
• His hideous face twisted into a smile. • a hideous concrete shopping centre • a hideous monster
extremely ugly, especially in a way that makes you want to look away:
• His appearance was so repulsive he had to wear a mask.
extremely ugly in a strange or unnatural way:
• A grotesque figure appeared out of the darkness.
( also a blot on the landscape ) noun [ singular ] something that is so ugly that it spoils the appearance of an area:
• Local residents regard the new office building as an eyesore. • I think wind turbines are a blot on the landscape - why can't people just use less electricity?
adj. unattractive VERBS be, look ADV. extremely, hideously, incredibly, really, very The witch was hideously ugly. | almost | pretty, quite, rather dangerous/threatening VERBS be, look, sound | get, turn ADV. really, very | pretty, quite A fight started and things got pretty ugly. | potentially
Oxford Collocations Dictionary