Suffix
Verb (1-dan)
Usually written in kana
1.  to be unable to;  to find difficult (unpleasant, awkward, painful) to do
2.  to serve two or more functions or roles simultaneously;  to contain (or combine) two or more features
3.  to work in two or more jobs simultaneously (positions, etc.);  to do alongside
4.  to hesitate to do something (out of consideration for others)
5.  to think of the future (as well as the present)