# 37 VOCAB C 37-40 TT Mystery (N.) Mysterious (Adj.) Mysteriously (Adv.)
Jul 27, 2015
Mystery (N.)
>> Something is very strange / difficult to explainEx. It was a mystery that she disappeared from
her home.
Mysterious (Adj.), Mysteriously (Adv.)
Ex. She disappeared mysteriously but some people said that she died of a mysterious illness.
Rigidity (N.)
>> Not easy to blend or change ,≠ FlexiblilityEx. They are using metal framework because of
its rigidity.
Secure (Adj.)--> Insecure
* Insecure (Negative)>> UnstableEx. I feel insecure if you are
not by my side.
Necessitate (V.)
>> To make something to be neededEx. A doctor’s appointment necessitated my
cancelling the class.