Distinctive way of speaking (6)
I believe the answer is:
accent
'distinctive way of speaking' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for accent that I've seen before include "Emphasis; mark on a letter" , "Mark over a vowel, perhaps" , "Regional speech characteristic" , "A diacritic mark" , "Emphasis on syllable or local pronunciation" .)