* Aggression: A snarl signifies hostility, a readiness to attack or intimidate.
* Threat: It implies danger, a warning that something unpleasant might follow.
* Anger: A snarl suggests intense displeasure, a boiling rage simmering just beneath the surface.
* Frustration: It can also convey feelings of being trapped or thwarted, a guttural outburst of frustration.
* Rudeness: In some cases, a snarl can be seen as a display of discourtesy or disrespect.
The specific connotation of "snarl" can also vary depending on the context. For example, a "snarl of traffic" conveys a sense of congestion and frustration, while a "snarl of thorns" evokes a sense of danger and difficulty.