Elongate (6)
'elongate' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for extend that I've seen before include "Stretch out over a distance or lengthen in time" , "Spin out" , "Straighten out" , "Draw out" , "Make larger or longer" .)
'elongate' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for stretch that I've seen before include "Bit of exercise" , "time spent in jail" , "time at Pentonville?" , "Do warm-up exercises" , "Make demands on; continuous expanse" .)
'elongate' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for lengthen that I've seen before include "Make or become longer" , "Prolong" , "Elongate" , "Extend or draw out" , "Spin out" .)