(idiomatic) Almost everything, whether needed or not.

An agreement between an employer and a union such that the union will represent all the workers at a particular workplace.

A voting system where each voter lists the candidates in order of preference and there is provision to transfer the votes of the less popular candidates and a proportion of the votes of candidates who are elected with more than a certain quota.

(geology) A hole formed in soluble rock by the action of water, serving to conduct surface water to an underground passage. / A depressed area in which waste or drainage collects.

(Internet, transitive) To configure as a sinkhole (domain name server that gives non-routeable addresses).

(heraldry) A diagonal band on a coat of arms going from top right to bottom left (as you look at it), held to indicate bastardy.

Like a piece of singsong; simple and melodic, varying in pitch (of tone of voice etc.)

A piece of verse with a simple, song-like rhythm. / An informal gathering at which songs are sung; a singing session. / Bad singing or poetry.

To utter in a singsong voice. / (obsolete) To write poor poetry.

Alone; without assistance; by oneself.