1)
Privilege: an
advantage that only one person or group of people has, usually because of their position or because they are rich.
Exp: Healthcare should be a right, not a privilege.
2)
Undulate: to
have a continuous up and down shape or movement, like waves on the sea.
Exp: The road undulates for five miles before a steep climb.
the undulating countryside
3)
Tactile: If
something is tactile, it has a surface that is pleasant or attractive to touch.
Exp：Her paintings have a very
tactile quality.
4)
Hail: small,
hard balls of ice that fall from the sky like rain.
Exp: there will be widespread showers of rain, hail and sleet.
5)
Ominous: suggesting
that something unpleasant is likely to happen.
Exp: There was an ominous silence when I asked whether my contract was
going to be renewed.
