completely

As a verb completed

is (complete).

As an adjective completed

is finished.

As an adverb completely is

(manner) in a complete manner; fully; totally; utterly.

As adverbs the difference between greatly and completely

is that greatly is nobly; magnanimously while completely is in a complete manner; fully; totally; utterly.

Deadly is a synonym of completely.

As adverbs the difference between deadly and completely

is that deadly is (obsolete) fatally, mortally while completely is (manner) in a complete manner; fully; totally; utterly.

As an adjective deadly

is (lb) subject to death; mortal.

As adverbs the difference between fairly and completely

is that fairly is in a fair manner; clearly; openly; plainly; fully; distinctly; frankly while completely is (manner) in a complete manner; fully; totally; utterly.

As adverbs the difference between surely and completely

is that surely is without fail while completely is (manner) in a complete manner; fully; totally; utterly.

As an adverb completely

is in a complete manner; fully; totally; utterly.

As an adjective comprehensive is

broadly or completely covering; including a large proportion of something.

As a noun comprehensive is

a comprehensive school.