Pronunciation: /ˈsɪrəs/
noun a type of high-altitude cloud characterized by thin, wispy strands
A1 I saw some cirrus clouds in the sky.
A2 Cirrus clouds are thin and wispy.
B1 The cirrus clouds indicated that the weather would be changing.
B2 As a pilot, it is important to be able to identify cirrus clouds.
C1 The cirrus formation was a beautiful sight against the blue sky.
C2 Meteorologists study cirrus clouds to better understand atmospheric conditions.
formal The cirrus clouds in the sky indicated that the weather would be clear and sunny.
informal Those wispy cirrus clouds mean we're in for a nice day.
slang Check out those high-flying cirrus clouds!
figurative Her thoughts drifted like cirrus clouds across a blue sky.
cirri
more cirrus
most cirrus
cirrus
will cirrus
have cirrused
is cirrusing
cirrus
cirrus
to cirrus
cirrusing
cirrused