Synonyms for Whistling:

adj.

piping (adjective)
Tooting, hissing, Warbling, calling.
sibilant (adjective)
sniffling, zipping, buzzing, snuffling, sizzling, Fizzling, whooshing, sibilant, hissing, sputtering, Lisping, wheezing, Whizzing, whirring.

n.

caroling, calling, Tooting, Warbling, piping, trilling. whistling (noun)
whistle.

v.

screaming (verb)
creaking, squeaking.
sibilating (verb)
sibilating, whispering, snoring, sneezing, snorting.

Other synonyms:

Other relevant words:
Tooting, calling, Warbling, piping, whistle, caroling, trilling.

Usage examples for whistling

  1. As it was, however, he resumed his whistling and, barely reminded by the spot of the recent encounter, he cheerfully pursued his way. – Dixie Hart by Will N. Harben
  2. He has fired once, he has fired twice, but the whistling ball went wide. – Story Hour Readings: Seventh Year by E.C. Hartwell
  3. Kate nodded, but her stare travelled far away, and the thing she saw was the yellow light burning in the eyes of Whistling Dan. – The Untamed by Max Brand