Stall.
* jumbo * giant * hefty * large
One option is the word conga.
The Latin word for undo is deatuse.
empty
armoramberbikerboxercatercolorcoverdinerdiverelderfavorflourgiverhikerhumorinnerjokerlaborlemurlaserloserliterleverloverlivermajormakermayormanormotorminormoverneverownerolderpokerpowerrazorriverrumorsaversavorseversobertatertowertakertruertumorwaterwiper
Three (3).
quadsquits
The negative prefix for the word "do" is "un-".
undo
"de" is not a root word. It is a prefix meaning "to undo" To debunk a theory is to undo it, to prove it false.
The five letter word that refers to heat is steam. When a liquid evaporates, it evaporates releasing steam whose temperature is high.