Similar words: goodnight, midnight, day and night, at midnight, burn the midnight oil, knighthood, goodness, good name. Meaning: n. a conventional expression of farewell.
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(1) Now I shall go to sleep. Good night. 
(2) It's yonks since we had a good night out.
(3) Cats have good night vision.
(4) Well, good night - sleep well.
(5) Every time a good night, feeling each other's feelings.
(6) Go and kiss your mother good night.
(7) Good night. Sweet dreams.
(8) Good night. See you in the morning.
(9) Good night, Jenny. Sleep tight!
(10) Good night -- sweet dreams!
(11) I tucked the children in and said good night.
(12) Good night(sentencedict .com), Davey. Sleep tight.
(13) Good night and God bless.
(14) She kissed him good night.
(15) "Good night, then," she said abruptly.
(16) Good night, I must get my beauty sleep.
(17) Good night, sleep tight!
(18) Good night. Sleep well.
(19) He said good night hastily(sentencedict.com), promising that he would phone Hans in the morning.
(20) Good night, God bless.
(21) Jack's idea of a good night out is to get plastered.
(22) Let us go gently into that good night.
(23) Good night, kids. Sleep tight!
(24) A good night to you, Sandy.
(25) I just said good night to her.
(26) Have a good night and try not to worry.
(27) Cats have good night vision but can't see colour very well.
(28) We said good night and took the elevator back down.
(29) Or else the very following things will happen: This kid came up to me and gave me a hug good night.
(30) Obviously if some one put me on to some good night fishing that would be different.
More similar words: goodnight, midnight, day and night, at midnight, burn the midnight oil, knighthood, goodness, good name, good-natured, thank goodness, for goodness sake, night, knight, nights, nightly, at night, by night, tonight, nightmare, nightcap, nightfall, knightly, fortnight, nightgown, benighted, night soil, in the night, weeknight, nighttime, overnight.