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verb

rationalize

RA-shuh-nuh-lyz

Rationalize (verb) means to make something rational, logical, or more efficient — often by removing unnecessary parts. Example: “The company rationalized its product line, cutting a dozen weak sellers.”

verb
1
To make something rational, logical, or more efficient — often by removing unnecessary parts.
"The company rationalized its product line, cutting a dozen weak sellers."
"They rationalized the tax code to remove overlapping rules."
2
To invent a reasonable-sounding excuse for behavior that was really driven by something less flattering.
"He rationalized skipping the gym by saying he needed the rest."
"She rationalized the lie by telling herself it was for his own good."

How to use rationalize

Learner’s notes

In plain EnglishEither making something more logical and streamlined, or making excuses to justify a decision you already made for other reasons.

Common mistake

Don't confuse rationalizing (making excuses) with reasoning (working something out logically) — rationalizing usually happens after the fact, to defend a choice.

Common pairings
rationalize a decision rationalize the process rationalize behavior

Word forms

rationalized past tense, rationalizes singular

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Test yourself on “rationalize” A quick quiz — meaning, synonyms & usage

Fill the gap

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The company _____ its product line, cutting a dozen weak sellers.

Etymology

From French rationaliser, built from rational plus the verb-forming suffix -ize.

Origin: French

Related words

Rhymes for rationalize

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Frequently asked questions

What does “rationalize” mean?

The word “rationalize” means to make something rational, logical, or more efficient — often by removing unnecessary parts. In plain terms, either making something more logical and streamlined, or making excuses to justify a decision you already made for other reasons.

How do you pronounce “rationalize”?

“Rationalize” is pronounced RA-shuh-nuh-lyz (/ˈɹæʃənəlaɪz/ in IPA).

How do you use “rationalize” in a sentence?

Here is “rationalize” used in a sentence: “The company rationalized its product line, cutting a dozen weak sellers.”

What part of speech is “rationalize”?

“Rationalize” is a verb.

Where does the word “rationalize” come from?

The word “rationalize” comes from French. From French rationaliser, built from rational plus the verb-forming suffix -ize.

How many meanings does “rationalize” have?

“Rationalize” has 2 distinct senses listed in this dictionary. The most common is: to make something rational, logical, or more efficient — often by removing unnecessary parts.

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Definitions: FreeDict original editorial