conclusion

noun

con·​clu·​sion kən-ˈklü-zhən 

1

a

: a reasoned judgment : inference

The obvious conclusion is that she was negligent.

b

: the necessary consequence of two or more propositions taken as premises

especially : the inferred proposition of a syllogism

2

: the last part of something

The team was exhausted at the conclusion of the game.

: such as

a

: result, outcome

The peace talks came to a successful conclusion.

b

conclusions plural : trial of strength or skill

—used in the phrase try conclusions

c

: a final summation

the counsel's conclusion to the jury

d

: the final decision in a law case

e

: the final part of a pleading in law

3

: an act or instance of concluding

hoped for a quick conclusion to the war

Synonyms of conclusion

• inference
• deduction
• determination
• decision

Examples of conclusion in a Sentence

The evidence does not support the report's conclusions.

The evidence points to the inescapable conclusion that she was negligent.

The logical conclusion is that she was negligent.

What led you to that conclusion?

They haven't yet arrived at a conclusion.

the conclusion of a business deal

The case was finally brought to conclusion last week.

Recent Examples on the Web

America’s war against Iran is continuing in its third week without any reduction in intensity or imminent signs of its conclusion, despite statements from senior American officials about the successes already achieved. —Mike Brest, The Washington Examiner, 17 Mar. 2026

The video turns him in a bit of a Robin Hood with a storyline not in the song, but ends on the same sad conclusion hinted at in the lyrics… parakeet and all. —Melinda Newman, Billboard, 16 Mar. 2026

Again, there were hints in the data but no definitive conclusions. —Mariangela Lisanti, Chicago Tribune, 16 Mar. 2026

There are some tantalizing hints, but the data are just too noisy to draw any firm conclusions. —Tim Folger, Scientific American, 16 Mar. 2026

Word History

Etymology

Middle English, from Anglo-French, from Latin conclusion-, conclusio, from concludere — see conclude

First Known Use

14th century, in the meaning defined at sense 1a

Phrases Containing conclusion

• bring to a conclusion
• bring to conclusion
• come to the conclusion
• draw a conclusion
• foregone conclusion
• in conclusion
• reach a conclusion
• reach its conclusion

Rhymes for conclusion

• allusion
• collusion
• confusion
• contusion
• delusion
• diffusion
• effusion
• exclusion
• extrusion
• illusion
• inclusion
• infusion

Kids Definition

conclusion

noun

con·​clu·​sion kən-ˈklü-zhən 

1

: a final decision reached by reasoning

came to the conclusion that we couldn't go

2

a

: the last part of something : end

b

: a final result : outcome

c

: a final summing up

the conclusion of a speech

3

: an act or instance of concluding

Legal Definition

conclusion

noun

con·​clu·​sion kən-ˈklü-zhən 

1

: a judgment or opinion inferred from relevant facts

our conclusion upon the present evidence

—Missouri v. Illinois, 200 U.S. 496 (1905)

2

a

: a final summarizing (as of a closing argument)

b

: the last or closing part of something

3

: an opinion or judgment offered without supporting evidence

specifically : an allegation made in a pleading that is not based on facts set forth in the pleading