| black | (noun) black clothing (worn as a sign of mourning) | - |
|---|
| (noun) (board games) the darker pieces | - |
| (noun) the quality or state of the achromatic color of least lightness (bearing the least resemblance to white) | Synonyms: blackness, inkiness |
| (noun) total absence of light | Synonyms: blackness, lightlessness, pitch blackness, total darkness |
| bootblack | (noun) a person who polishes shoes and boots | Synonyms: shoeblack |
|---|
| caipiblack | (noun) a variation of the Caipirinha made with black vodka instead of cachaça. | - |
|---|
| clack | (noun) a simple valve with a hinge on one side; allows fluid to flow in only one direction | Synonyms: clack valve, clapper valve |
|---|
| (noun) a sharp abrupt noise as if two objects hit together; may be repeated | Synonyms: clap |
| flack | (noun) artillery designed to shoot upward at airplanes | Synonyms: ack-ack, ack-ack gun, antiaircraft, antiaircraft gun, flak, pom-pom |
|---|
| (noun) intense adverse criticism | Synonyms: attack, blast, fire, flak |
| (noun) a slick spokesperson who can turn any criticism to the advantage of their employer | Synonyms: flack catcher, flak, flak catcher |
| lack | (noun) the state of needing something that is absent or unavailable | Synonyms: deficiency, want |
|---|
| lampblack | (noun) a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink | Synonyms: carbon black, crock, smut, soot |
|---|
| polack | (noun) a person of Polish descent | - |
|---|
| pollack | (noun) important food and game fish of northern seas (especially the northern Atlantic); related to cod | Synonyms: Pollachius pollachius, pollock |
|---|
| (noun) lean white flesh of North Atlantic fish; similar to codfish | Synonyms: pollock |
| shoeblack | (noun) a person who polishes shoes and boots | Synonyms: bootblack |
|---|
| slack | (noun) a cord or rope or cable that is hanging loosely | - |
|---|
| (noun) the quality of being loose (not taut) | Synonyms: slackness |
| (noun) a stretch of water without current or movement | Synonyms: slack water |
| (noun) a soft wet area of low-lying land that sinks underfoot | Synonyms: mire, morass, quag, quagmire |
| (noun) a noticeable deterioration in performance or quality | Synonyms: drop-off, falling off, falloff, slump |
| (noun) dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve | - |