ballast C2 Topic:Transportation US /ˈbæləst/ UK /ˈbæl.əst/ See IPA manual Freq #23471 Meanings 1 verb to make a ship steady with a ballast We need to ballast the ship. Thesaurus Synonyms counterweightheft Word family Forms ballastedballastingballasts Derived forms autoballasterballastageballastlessballastmasterdeballastoverballastreballastreballastingunballastunballasted Etymology From Middle English bar (“bare”) + last (“load”). bar Middle English View etymology graph -> Topics Transportation External links Cambridge Dictionary Wiktionary Google Images # ballast **Type:** Word **Level:** C2 **Part of speech:** verb **IPA (US):** /ˈbæləst/ **IPA (UK):** /ˈbæl.əst/ **Frequency rank:** 23471 ## Meanings 1. to make a ship steady with a ballast ## Examples - We need to ballast the ship. ## Synonyms - counterweight - heft ## Derived Forms - autoballaster - ballastage - ballastless - ballastmaster - deballast - overballast - reballast - reballasting - unballast - unballasted ## Roots and Affixes - Root: bar ## Etymology From Middle English bar (“bare”) + last (“load”). ## Topics - Transportation markdown