Answer: PLUNGE

AnswerCrossword Clue
PLUNGEWhat some necklines do
PLUNGEDeath-defying leap.
PLUNGEImmerse.
PLUNGEGo for broke
PLUNGEEnter the pool
PLUNGETake the ...
PLUNGESplurge at the track
PLUNGEEnter impetuously
PLUNGESome necklines do this
PLUNGESteep, rapid fall
PLUNGEBig drop in the market, say
PLUNGEGo off the deep end.
PLUNGEFall precipitously
PLUNGEDrop off quickly
PLUNGEDive deep
plungeto thrust suddenly into something
plungeto thrust into the midst of
plungeto fall or cast oneself into water from a height
plungeact or instance of plunging
plungeto enter with sudden decision upon an unfamiliar course of action, as after hesitation or deliberation
plungeto rush or dash
PLUNGEDramatic drop
PLUNGEDive
PLUNGEGo off the deep end
PLUNGEDrop
PLUNGEDrop dramatically
PLUNGEBit of roller coaster drama
PLUNGEDramatic dive
PLUNGEDrop precipitously
PLUNGEFall rapidly
PLUNGEDrastic drop
PLUNGEThrust
PLUNGEImpetuous motion
PLUNGENosedive
PLUNGESudden dip
PLUNGESudden fall
PLUNGETake a dive
PLUNGEBig drop in the stock market
PLUNGEImmerse
PLUNGEDive into water.