unforgettable
adjective
[ ʌnfəˈɡɛtəb(ə)l ]
• impossible to forget; very memorable.
• "that unforgettable first kiss"
Similar:
memorable,
indelible,
not/never to be forgotten,
fixed in the mind,
haunting,
catchy,
persistent,
striking,
impressive,
distinctive,
significant,
special,
outstanding,
spectacular,
extraordinary,
exceptional,
remarkable,
arresting,
singular,
signal,