testing

adjective
     
test‧ing
a testing situation, experience etc is difficult to deal with:
It's been a testing time.

Dictionary results for "testing"
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.