(idiomatic) Between undesirable alternatives.

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

(historical, 1930s) A member of an Irish fascist organization led by Eoin O'Duffy.

Unauthorized access to the information on a wireless device through a Bluetooth connection, often between phones, desktops, laptops, or PDAs.

(usually derogatory) A scholarly, literary, or cultured woman. / (historical) A member of an 18th-century Blue Stockings Society.

(intransitive, computing) To experience a stop error and shut down to prevent damage to system hardware.

Alternative spelling of blue screen

superlative form of blue: most blue

plural of bluestocking

(UK) A form of dolerite which appears blue when wet or freshly broken. / (UK) Any of the several (massive) kinds of non-local stone (particularly dolerite) used to construct Stonehenge.