simultaneous

As adjectives the difference between simultaneous and collateral

is that simultaneous is occurring]] or [[transpire|transpiring at the same time while collateral is collateral.

As adjectives the difference between together and simultaneous

is that together is (colloquial) well organized, well developed while simultaneous is occurring]] or [[transpire|transpiring at the same time.

As an adverb together

is at the same time, in the same place; in close association.

As adjectives the difference between subsequent and simultaneous

is that subsequent is subsequent while simultaneous is occurring]] or [[transpire|transpiring at the same time.

As adjectives the difference between sudden and simultaneous

is that sudden is happening quickly and with little or no warning while simultaneous is occurring]] or [[transpire|transpiring at the same time.

As an adverb sudden

is (poetic) suddenly.

As a noun sudden

is (obsolete) an unexpected occurrence; a surprise.

As adjectives the difference between equivalent and simultaneous

is that equivalent is equivalent while simultaneous is occurring]] or [[transpire|transpiring at the same time.

As a noun equivalent

is equivalent.

As adjectives the difference between comprehensive and simultaneous

is that comprehensive is while simultaneous is occurring]] or [[transpire|transpiring at the same time.

As an adjective simultaneous

is occurring]] or [[transpire|transpiring at the same time.

As a noun same is

dog's, excrements.

As adjectives the difference between simultaneous and undefined

is that simultaneous is occurring]] or [[transpire|transpiring at the same time while undefined is lacking a definition or value.

As adjectives the difference between simultaneous and simulate

is that simultaneous is occurring]] or [[transpire|transpiring at the same time while simulate is (obsolete) feigned; pretended.

As a verb simulate is

to model, replicate, duplicate the behavior, appearance or properties of.