midnight
nounbefore 12th century{ds||1||}
- the middle of the night; specifically : 12 o'clock at night
- deep or extended darkness or gloom
midnight blue
noun
midnight blue
\
1810
- a deep blackish blue
midnight sun
noun
midnight sun
\
1787
- the sun above the horizon at midnight in the arctic or antarctic summer
burn the midnight oil
phrase
burn the midnight oil
\
- to work or study far into the night
the midnight hour
noun
the midnight hour
\
- 12 o'clock at night : midnight
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