rt34

[j4277]

Last one - 4d person starting to sink (7) *o*n*e* - it would seem to indicate 'go under' but that is two words and I don't think 'gounder' is a word! Please help.

[slaney]

Founder

[j4277]

thank you slaney - still don't like the answer to that clue!

[grasscarp]

I never knew it either but a quick google showed that (as ever) Slaney is spot on
Founder:
1. To sink below the surface of the water: The ship struck a reef and foundered.