controversy

As a noun controversy

is a debate, discussion of opposing opinions; strife.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between disputant and controversy

is that disputant is a participant in a dispute while controversy is a debate, discussion of opposing opinions; strife.

As an adjective disputant

is disputing; engaged in controversy.

As nouns the difference between controversy and expostulation

is that controversy is a debate, discussion of opposing opinions; strife while expostulation is (countable) the act of reasoning earnestly in order to dissuade or remonstrate.

As nouns the difference between controversy and claim

is that controversy is a debate, discussion of opposing opinions; strife while claim is claim.

As a verb contradict

is (obsolete) to speak against; to forbid.

As a noun controversy is

a debate, discussion of opposing opinions; strife.

Contrariety is a related term of controversy.

As nouns the difference between contrariety and controversy

is that contrariety is opposition or contrariness; cross-purposes, marked contrast while controversy is a debate, discussion of opposing opinions; strife.

As nouns the difference between issues and controversy

is that issues is while controversy is a debate, discussion of opposing opinions; strife.

As a verb issues

is (issue).

Dissimilitude is a related term of controversy.

As nouns the difference between dissimilitude and controversy

is that dissimilitude is the quality of being diverse or different; difference or variety while controversy is a debate, discussion of opposing opinions; strife.

Jar is a related term of controversy.

As an initialism jar

is (software|java).

As a noun controversy is

a debate, discussion of opposing opinions; strife.