Somewhat blunt; slightly dull or direct without being extremely so.
From 'blunt' plus the diminishing suffix '-ish,' which means 'somewhat' or 'rather.' This suffix lets English speakers express degrees of qualities precisely.
The suffix '-ish' is a genius feature of English—it lets you express uncertainty and moderation, which is why saying someone is 'bluntish' feels less harsh than calling them 'blunt.'
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