
1) Baby pacifier 2) Be a balladeer 3) Chant 4) Do the Sinatra thing 5) Emulate a ballad singer 6) Emulate Bing 7) Emulate bing crosby 8) Emulate Columbo 9) Emulate Crosby 10) Emulate Harry Connick Jr 11) Emulate Mel Torme 12) Emulate Perry Como 13) Emulate Robert Goulet 14) Emulate Rudy Vallee 15) Emulate Russ Columbo
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https://www.crosswordclues.com/clue/croon

1) Chant 2) Hum 3) Sing
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https://www.crosswordclues.com/clue/croon

• (n.) A low singing; a plain, artless melody. • (v. i.) To make a continuous hollow moan, as cattle do when in pain. • (n.) A low, continued moan; a murmur. • (v. t.) To sing in a low tone, as if to one`s self; to hum. • (v. i.) To hum or sing in a low tone; to murmur softly. • (v. t.) To soothe by singing softly.Croo...
Found on
http://thinkexist.com/dictionary/meaning/croon/
Croon (krōn)
intransitive verb [ Middle English
croinen , confer D.
kreunen to moan. √24.]
1. To make a continuous hollow moan, as cattle do when in pain. [ Scot.]
Jamieson. 2. To hum or sing in a low tone; to murmur softly. « Here an old grandm...
Found on
http://www.encyclo.co.uk/webster/C/191
Croon noun 1. A low, continued moan; a murmur.
2. A low singing; a plain, artless melody.
Found on
http://www.encyclo.co.uk/webster/C/191
Croon transitive verb [
imperfect & past participle Crooned (krōnd);
present participle & verbal noun Crooning .]
1. To sing in a low tone, as if to one's self; to hum. « Hearing such stanzas
crooned in her pr...
Found on
http://www.encyclo.co.uk/webster/C/191

[
v] - sing softly
Found on
http://www.webdictionary.co.uk/definition.php?query=croon
verb sing softly
Found on
https://www.encyclo.co.uk/local/20974

to sing or hum in a soft, soothing voice: to croon to a baby. · to sing in an evenly modulated, slightly exaggerated manner: Popular singers began crooning in the 1930s. · to utter a low murmuring sound. · · to bellow; low. · to lament; mourn.
Found on
https://www.infoplease.com/dictionary/croon
No exact match found.