swarm

In transitive terms the difference between swarm and engulf

is that swarm is to overwhelm as by an opposing army while engulf is to surround; to cover.

As verbs the difference between swarm and engulf

is that swarm is to move as a swarm while engulf is to overwhelm.

As a noun swarm

is a large number of insects, especially when in motion or (for bees) migrating to a new colony.

In transitive terms the difference between school and swarm

is that school is to control, or compose, one's expression while swarm is to overwhelm as by an opposing army.

As nouns the difference between school and swarm

is that school is a group of fish or a group of marine mammals such as porpoises, dolphins, or whales while swarm is a large number of insects, especially when in motion or (for bees) migrating to a new colony.

As verbs the difference between school and swarm

is that school is to form into, or travel in a school while swarm is to move as a swarm.

In transitive terms the difference between mob and swarm

is that mob is to wrap up in, or cover with, a cowl while swarm is to overwhelm as by an opposing army.

As an abbreviation mob

is mobile phone.

As an initialism MOB

is Man Over Board, used e.g. on the emergency button of a satellite navigator. By pushing the button the operator stores the coordinates of a man overboard incident for easy access.

As verbs the difference between swarm and upswarm

is that swarm is (lb) to move as a swarm while upswarm is to rise in a swarm.

As a noun swarm

is a large number of insects, especially when in motion or (for bees) migrating to a new colony.

As verbs the difference between swarm and hotch

is that swarm is (lb) to move as a swarm while hotch is to move irregularly up and down.

As a noun swarm

is a large number of insects, especially when in motion or (for bees) migrating to a new colony.

As nouns the difference between swarm and zerg

is that swarm is a large number of insects, especially when in motion or (for bees) migrating to a new colony while zerg is (slang|video games) a very large group of units or players.

As verbs the difference between swarm and zerg

is that swarm is (lb) to move as a swarm while zerg is (slang|video games|strategy games) to attack an opponent with a large swarm of units before they have been able to build sufficient defences.

As nouns the difference between swarm and beeswarm

is that swarm is a large number of insects, especially when in motion or (for bees) migrating to a new colony while beeswarm is a swarm of bees.

As a verb swarm

is (lb) to move as a swarm .

As nouns the difference between swarm and swarmer

is that swarm is a large number of insects, especially when in motion or (for bees) migrating to a new colony while swarmer is something, such as an insect, that swarms.

As a verb swarm

is to move as a swarm.

As nouns the difference between swarm and pullulation

is that swarm is a large number of insects, especially when in motion or (for bees) migrating to a new colony while pullulation is a teeming, swarming, or multiplying.

As a verb swarm

is to move as a swarm.

As verbs the difference between swarm and gregarize

is that swarm is (lb) to move as a swarm while gregarize is (biology) to transform solitary insects etc into a swarm or gregaria due to rapid growth in population.

As a noun swarm

is a large number of insects, especially when in motion or (for bees) migrating to a new colony.