Slack

See also: slack and släck

English

Etymology

• As an English and Dutch surname, from the adjective slack.
• Also as an English surname, from the noun slack (“shallow valley”).
• Possibly also a Slovene surname Americanized from slak (“bindweed”), from Proto-Slavic *sъvolkъ.
• The name of the software is an acronym of Searchable Log of All Conversation and Knowledge.

Proper noun

Slack (countable and uncountable, plural Slacks)

1. A surname.
2. A place in England:
   1. A hamlet in Ashover parish, North East Derbyshire district, Derbyshire (OS grid ref SK3362).
   2. A hamlet in Heptonstall parish, Metropolitan Borough of Calderdale, West Yorkshire (OS grid ref SD9828).
   3. A hamlet in the Metropolitan Borough of Kirklees, near Outlane, West Yorkshire (OS grid ref SE0817).
3. (Internet, software) A real-time collaboration app and platform launched in 2013.
   • 2025, Liz Pelly, Mood Machine: The Rise of Spotify and the Costs of the Perfect Playlist, 1st edition, New York: Atria Books, →ISBN:

     On Slack, the employees of Strategic Programming chattered about metadata tagging issues.

Statistics

• According to the 2010 United States Census, Slack is the 2692^nd most common surname in the United States, belonging to 13377 individuals. Slack is most common among White (82.95%) and Black/African American (11.62%) individuals.

Anagrams

• Lacks, calks, Calks, lacks, kcals