temperament
A. feelings and emotions that people have in particular situations.
B. the tendency to behave in an uncontrolled, bad-tempered, or unreasonable way.
volatile
A. be likely to change suddenly and unexpectedly.
B. one that will quickly change into a gas
undesirable
A. those who have harmful effects.
B. something or someone that are unpopular
constellations
A. a group of stars which form a pattern and have a name.
B. careful examination and comparison to note points of disagreement
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