ballast

[ bal-uhst ]
/ ˈbæl əst /
See synonyms for: ballast / ballasted / ballasting on Thesaurus.com

noun

verb (used with object)

to furnish with ballast: to ballast a ship.
to give steadiness to; keep steady: parental responsibilities that ballast a person.

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Idioms for ballast

    in ballast, Nautical. carrying only ballast; carrying no cargo.

Origin of ballast

1450–1500; <Middle Low German, perhaps ultimately <Scandinavian; compare Old Danish, Old Swedish barlast, equivalent to barbare1 + last load; see last4

OTHER WORDS FROM ballast

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for ballast

British Dictionary definitions for ballast

ballast
/ (ˈbæləst) /

noun

any dense heavy material, such as lead or iron pigs, used to stabilize a vessel, esp one that is not carrying cargo
crushed rock, broken stone, etc, used for the foundation of a road or railway track
coarse aggregate of sandy gravel, used in making concrete
anything that provides stability or weight
electronics a device for maintaining the current in a circuit

verb (tr)

to give stability or weight to

Word Origin for ballast

C16: probably from Low German; related to Old Danish, Old Swedish barlast, literally: bare load (without commercial value), from bar bare, mere + last load, burden
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012