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What is the opposite of “conclusive”?

What is the antonym of “conclusive”?

The antonym of conclusive is inconclusive, indecisive, and uncertain. The antonyms inconclusive, indecisive, and uncertain convey a lack of certainty or decisiveness. It implies that something is not final or definitive.

Brief Definitions of the Antonym(s)

Learn when and how to use these words with these examples!


Not leading to a definite conclusion; not resolving a question or dispute.


The investigation was inconclusive and failed to provide any concrete evidence.


Unable to make a decision; not settling an issue or question.


He was indecisive about which college to attend and kept changing his mind.


Not able to be relied on; not known or definite.


The weather forecast was uncertain and predicted a chance of rain.

How are these antonyms different from each other?

  • 1Inconclusive suggests that the evidence or information is insufficient to reach a definite conclusion.
  • 2Indecisive implies a lack of ability or willingness to make a decision.
  • 3Uncertain indicates a lack of knowledge or confidence in a particular situation.

Good things to know

  • 1Academic Writing: Use these antonyms to describe research findings, experiments, or investigations.
  • 2Business Communication: Incorporate these words in reports, presentations, or meetings to convey uncertainty or lack of decisiveness.
  • 3Everyday Conversation: Utilize these antonyms to express doubt, hesitation, or indecision in daily interactions.

Remember this!

The antonyms have distinct nuances: Inconclusive suggests insufficient evidence, indecisive implies a lack of ability or willingness to make a decision, and uncertain indicates a lack of knowledge or confidence. Use these words in academic writing, business communication, or everyday conversation to convey uncertainty or lack of decisiveness.

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