Play for time - everybody's under way (5)
I believe the answer is:
stall
'play for time' is the definition.
(thesaurus)
'everybody's under way' is the wordplay.
'everybody' becomes 'all' (I've seen this before).
'under' says to put letters next to each other.
'way' becomes 'st'.
'all' after 'st' is 'STALL'.
(Other definitions for stall that I've seen before include "Hold up" , "(Of engine) stop running; booth" , "Temporise; sales booth" , "Section of a stable and theatre" , "digital protection" .)