Insect vs. Animal

Difference Between Insect and Animal
Insectnoun
An arthropod in the class Insecta, characterized by six legs, up to four wings, and a chitinous exoskeleton.
Our shed has several insect infestions, including ants, yellowjackets, and wasps.Animalnoun
In scientific usage, a multicellular organism that is usually mobile, whose cells are not encased in a rigid cell wall (distinguishing it from plants and fungi) and which derives energy solely from the consumption of other organisms (distinguishing it from plants).
A cat is an animal, not a plant. Humans are also animals, under the scientific definition, as we are not plants.Insectnoun
(colloquial) Any small arthropod similar to an insect including spiders, centipedes, millipedes, etc
The swamp is swarming with every sort of insect.Animalnoun
In non-scientific usage, any member of the kingdom Animalia other than a human.
Insectnoun
(derogatory) A contemptible or powerless person.
The manager’s assistant was the worst sort of insect.Animalnoun
In non-scientific usage, any land-living vertebrate (i.e. not fishes, insects, etc.).
Insectnoun
small air-breathing arthropod
Animalnoun
(figuratively) A person who behaves wildly; a bestial, brutal, brutish, cruel, or inhuman person.
My students are animals.Insectnoun
a person who has a nasty or unethical character undeserving of respect
Animalnoun
(informal) A person of a particular type.
He's a political animal.Animalnoun
, thing.
a whole different animalAnimaladjective
Of or relating to animals.
animal instinctsAnimaladjective
Raw, base, unhindered by social codes.
animal passionsAnimaladjective
Pertaining to the spirit or soul; relating to sensation or innervation.
Animaladjective
Excellent
Animalnoun
a living organism characterized by voluntary movement
Animaladjective
of the appetites and passions of the body;
animal instinctscarnal knowledgefleshly desirea sensual delight in eatingmusic is the only sensual pleasure without viceAnimaladjective
of the nature of or characteristic of or derived from an animal or animals;
the animal kingdomanimal instinctsanimal fatsdecaying vegetable matter