Step up (8)
'step up' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for rung that I've seen before include "support for foot" , "Part of a ladder" , "Ladder's step" , "Horizontal bar in ladder" , "spoke" .)
'step up' is the definition.
(I know that step up can be written as escalate)
This is the entire clue.
(Other definitions for escalate that I've seen before include "Increase in magnitude" , "Cause to increase, say dispute (8)." , "rocket" , "Tease Cal badly and mount up" , "Rapidly increase in intensity" .)
'step up' is the definition.
(I know that step up can be written as intensify)
This is the entire clue.
(Other definitions for intensify that I've seen before include "Make stronger" , "Fan" .)