What is an antonym of oxymoron?

There isn't a single perfect antonym for "oxymoron" because it describes a specific literary device. However, here are some options depending on what aspect you're focusing on:

Direct Contradictions:

* Tautology: A statement that repeats the same thing in different words.

* Pleonasm: Using more words than necessary to express an idea, often resulting in redundancy.

* Redundancy: Using more words than necessary, often leading to repetition.

Clarity and Coherence:

* Clarity: Clearness of thought and expression.

* Coherence: Logical connection and consistency.

* Consistency: Agreement or harmony of parts.

Other:

* Literal: Using words in their usual and ordinary sense.

* Straightforward: Simple and easy to understand.

Ultimately, the best antonym will depend on the specific context in which you're using the word.