UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈlʌləbaɪ/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˈlʌləˌbaɪ/ ,USA pronunciation: respelling(lulə bī′)

Inflections of 'lullaby' (nnoun: Refers to person, place, thing, quality, etc.): nplplural noun: Noun always used in plural form--for example, "jeans," "scissors.": lullabies
Inflections of 'lullaby' (v): (⇒ conjugate)
v 3rd person singular
v pres pverb, present participle: -ing verb used descriptively or to form progressive verb--for example, "a singing bird," "It is singing."
v pastverb, past simple: Past tense--for example, "He saw the man." "She laughed."
v past pverb, past participle: Verb form used descriptively or to form verbs--for example, "the locked door," "The door has been locked."

WordReference Random House Learner's Dictionary of American English © 2020
lull•a•by /ˈlʌləˌbaɪ/USA pronunciation   n.[countable]pl.  -bies. 
  1. a song used to lull a child to sleep.

WordReference Random House Unabridged Dictionary of American English © 2020
lull•a•by  (lulə bī′),USA pronunciation n., pl.  -bies, v.,  -bied, -by•ing. 
  1. a song used to lull a child to sleep;
  2. any lulling song.

  1. to lull with or as with a lullaby.
  • equivalent. to lulla, lulla(y), interj. used in cradlesongs (late Middle English lullai, lulli) + -by, as in bye-bye 1550–60

Collins Concise English Dictionary © HarperCollins Publishers::
lullaby /ˈlʌləˌbaɪ/ n ( pl -bies)
  1. a quiet song to lull a child to sleep
vb ( -bies, -bying, -bied)
  1. (transitive) to quiet or soothe with or as if with a lullaby
Etymology: 16th Century: perhaps a blend of lull + goodbye
'lullaby' also found in these entries:

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