Of or relating to an ulcer / Having an ulcer

The condition of being ugly. / An unsightly or frightful object. / Unpleasant behaviour.

Used to express repugnance, disgust, or annoyance. / Used to express inarticulate vocalisations, such as used by a caveman.

(palynology, of a pollen grain) Having an ulcus, a rounded pore-like aperture, at one or both poles.

(medicine, transitive) To cause an ulcer to develop. / (medicine, intransitive) To become ulcerous.

(uncountable) The state or quality of being, or appearing to be, everywhere at once; actual or perceived omnipresence. / (countable, sciences) Anything that is ubiquitous within a specified area.

(pathology) An open sore of the skin, eyes or mucous membrane, often caused by an initial abrasion and generally maintained by an inflammation and/or an infection. / (pathology) Peptic ulcer.

Alternative form of uh-oh

Alternative spelling of µK

(informal) no