logy

1 of 2

adjective

lo·​gy ˈlō-gē How to pronounce logy (audio)
variants or less commonly loggy
ˈlȯ-gē How to pronounce logy (audio)
ˈlä-
logier; logiest

-logy

2 of 2

noun combining form

1
: oral or written expression
phraseology
2
: doctrine : theory : science
ethnology

Did you know?

The origins of the word logy (sometimes spelled loggy) likely lie in the Dutch word log, meaning "heavy," a relation of the ancient German adjective luggich, meaning "lazy." The word shares no history with the log of campfires, which is centuries older and has probable Scandinavian roots. Likewise, it has no etymological connection to groggy, which describes someone weak and unsteady on the feet or in action. That word ultimately comes from the nickname of an English admiral: "Old Grog," concerned with the health of his crew, served diluted rum to his sailors, who returned the favor by dubbing the rum mixture grog. (Modern grog is typically rum, or another liquor, cut with water and served warm, sweetened, and with lemon.)

Examples of logy in a Sentence

Adjective the next morning I was feeling logy, having stayed up half the night

Word History

Etymology

Adjective

perhaps from Dutch log heavy; akin to Middle Low German luggich lazy

Noun combining form

French -logie, from Latin -logia, from Greek, from logos word

First Known Use

Adjective

1847, in the meaning defined above

Time Traveler
The first known use of logy was in 1847

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Cite this Entry

“Logy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/logy. Accessed 25 Jul. 2025.

Kids Definition

logy

1 of 2 adjective
lo·​gy ˈlō-gē How to pronounce logy (audio)
logier; logiest
loginess
-gē-nəs
noun

-logy

2 of 2 noun combining form
-l·​o·​gy
l-ə-jē
: doctrine : theory : science
biology
Etymology

Noun combining form

derived from Greek logos "word"

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