Most basic bank website ignoring the odds (6)
I believe the answer is:
barest
'most basic' is the definition.
Both the definition and answer are superlative adjectives. Maybe you can see a link between them that I don't see?
'bank website ignoring the odds' is the wordplay.
'bank' becomes 'bar' (I can't justify this - if you can you should believe this answer much more).
'ignoring the odds' indicates alternate letters (letters in odd-numbered positions are removed).
The alternating letters of 'website' are 'est'.
'bar'+'est'='BAREST'
Can you help me to learn more?
(Another definition for barest that I've seen is " Merest".)