To show displeasure, as after a performance or speech; SYN. hiss.

1. To challenge aggressively; SYN. harass.
2. To comb with a heckle; SYN. hackle, hatchel.

1. To express or utter with a hiss; SYN. sizz, siss, sibilate.
2. To make a sharp hissing sound, as if to show disapproval; SYN. siss, sizz, sibilate.
3. To move with a whooshing sound; SYN. whoosh.

To laugh or scoff at; SYN. scoff, flout, barrack, gibe.

ETYM From the sound. Related to Swash.
To move with a swishing sound.

To breathe with difficulty.

1. To give a signal by whistling.
2. To make a whining, ringing, or whistling sound; SYN. sing.
3. To make whistling sounds.
4. To move with, or as with, a whistling sound.
5. To move, send, or bring as if by whistling.
6. To utter or express by whistling.