Having only one color, represented by differing hues and tints. For example shades in a black and white television. / Perceptive of only one color; unable to distinguish colors; total color blindness.

A bet which offers odds of 1 to 1. / (idiomatic) By extension, an event that is somewhat likely to happen, but far from inevitable.

(chiefly in combination) A dealer in a specific commodity. / (in combination) A person promoting something undesirable. / A small sea vessel. / Clipping of whoremonger.

(transitive, Britain) To sell or peddle something / (transitive) To promote something undesirable.

(dated) A type of close-fitting jacket worn by sailors. / A semiformal lightweight jacket, usually made of nylon, with striped cuffs and neck, similar to an MA-1 flight jacket.

Cash in the form of banknotes.

A type of joss paper resembling banknotes burnt to venerate the deceased, ancestor spirits, deities, etc.

a venomous lizard, Heloderma suspectum, that lives in the deserts of the southwestern USA and northwestern Mexico

A single lens, usually in a wire frame, and used to correct vision for only one eye. / (obsolete) A one-eyed animal.

(chemistry) any oxide containing a single oxygen atom in each molecule or formula unit