(idiomatic) Between undesirable alternatives.

A rare disorder in which abnormal blood vessels affect the gastrointestinal tract, resulting in lesions.

(countable) An edible round berry, belonging to the cowberry group (Vaccinium sect. Cyanococcus), with flared crowns at the end, that turns blue on ripening.

Of a dark blue colour.

To gather or forage for blueberries.

having eyes with the colour and appearance of bluets

Centaurea, a plant genus in the family Asteraceae / Several plant genera in the family Rubiaceae, notably Houstonia and Oldenlandiopsis.

A voracious fish (Pomatomus saltatrix) found in waters of the Atlantic and Indian Ocean. / (Bermuda) The puddingwife wrasse (Halichoeres radiatus). / A New Zealand bluefish (Girella cyanea).

A type of paper-based reproduction process producing white-on-blue images, used primarily for technical and architecture's drawings, now largely replaced by other technologies.

To make a blueprint for. / To make a detailed operational plan for.