ugh

Interjection

1. Used to express repugnance, disgust, or annoyance.
   • Ugh! The bread in the pantry has gone moldy.
   • [...] It may have been a water-rat I speared, / But, ugh! it sounded like a baby's shriek.1855, Robert Browning, Childe Roland to the Dark Tower Came, section XXI

   Synonyms:

   ack, agh, argh, bah, barf, bleah, blech, bleck, bleh, eugh

2. Used to express inarticulate vocalisations, such as used by a caveman.
   • The brothers surveyed the wide prospect earnestly. "Ugh!" said one abruptly and pointed. "Ugh!" cried his brother. The eyes of the whole tribe swung round to the pointing finger. The group became one rigid stare.1921, H.G. Wells, “The Grisly Folk”, in Selected Short Stories, published 1958, page 291