unmistakable
Concise Oxford English Dictionary © 2008 Oxford University Press:
unmistakable /ʌnmɪˈsteɪkəbl/ (also unmistakeable)
▶adjective not able to be mistaken for anything else.
– derivatives
unmistakability noun,
unmistakably adverb.
unmistakability noun,
unmistakably adverb.
'unmistakable' also found in these Oxford entries:

