(chemistry) Any salt of hydrofluoric acid; for example, potassium fluoride. / (chemistry) A binary compound of fluorine and another element or radical.

(intransitive) To confuse; to fluster; to flabbergast. / (intransitive, uncommon) To give in, to give up, to collapse.

(UK, poker) A potential flush which ultimately was not filled. / (UK, idiomatic) Anything which ends up worthless despite great potential.

Of or relating to fluorescence. / Exhibiting or produced by fluorescence.

A fluorescent light.

Remote or distant, in space, time or relationship. / Wide-ranging, widespread or widely distributed.

(pathology) A complication of pregnancy characterized by movement of amniotic fluid past the placenta

(informal) An error; a mistake in the performance of an action.

(transitive) To goof, fumble, or err in the performance of an action.

A group of birds that have suddenly started up from undergrowth, trees, etc.