plank down plank buttress • plank over · · · Info · Definitions · Synonyms · Characters · · plank down · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (verb) drop heavily. Synonyms: plonk down, plump down, plank down. · · Verb Definition 1 Synonyms · · · plonk down · · Synonym 1 plump down · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 w latin small letter w U+0077