fathom

2 verb
     
fathom2 also fathom out [transitive]
to understand what something means after thinking about it carefully [= work out]:
I still can't fathom out what she meant.
fathom how/why/where etc
Mark couldn't fathom why she resented him so much.

Dictionary results for "fathom"
Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.