certain

As an adverb indeed

is truly; in fact; actually.

As an interjection indeed

is indicates emphatic agreement.

As an adjective certain is

sure, positive, not doubting.

As a determiner certain is

having been determined but unspecified. The quality of some particular subject or object which is known by the speaker to have been specifically singled out among similar entities of its class.

As an adjective certain

is certain.

As a verb encourage is

.

As adjectives the difference between relaxed and certain

is that relaxed is having an easy-going mood or temperament while certain is sure, positive, not doubting.

As a verb relaxed

is past tense of relax.

As a determiner certain is

having been determined but unspecified. The quality of some particular subject or object which is known by the speaker to have been specifically singled out among similar entities of its class.

As adjectives the difference between certain and settled

is that certain is certain while settled is comfortable and at ease, especially after a period of change or unrest.

As a verb settled is

(settle).

As adjectives the difference between certain and true

is that certain is sure, positive, not doubting while true is conforming to the actual state of reality or fact; factually correct.

As a determiner certain

is having been determined but unspecified. The quality of some particular subject or object which is known by the speaker to have been specifically singled out among similar entities of its class.

As an adverb true is

accurately.

As a noun true is

truth.

As a verb true is

to straighten.

Certain is a related term of unanswerable.

As adjectives the difference between certain and unanswerable

is that certain is certain while unanswerable is not answerable; impossible to answer.

As a noun unanswerable is

something that cannot be answered.

Certain is a related term of expectant.

As adjectives the difference between certain and expectant

is that certain is certain while expectant is marked by expectation.

Certain is a related term of despotic.

As adjectives the difference between certain and despotic

is that certain is certain while despotic is of or pertaining to a despot or tyrant.

Certain is a related term of permanent.

As adjectives the difference between certain and permanent

is that certain is certain while permanent is without end, eternal.

As a noun permanent is

a chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.

As a verb permanent is

(dated) to perm (the hair).

Certain is a related term of steadfast.

As adjectives the difference between certain and steadfast

is that certain is certain while steadfast is fixed or unchanging; steady.