as in lexicon
a reference book giving information about the meanings, pronunciations, uses, and origins of words listed in alphabetical order
try to develop the habit of going to the dictionary whenever you encounter an unfamiliar word
Synonyms & Similar Words
Relevance
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of dictionary
This year, in keeping with its annual word-adding tradition, the top minds behind the standard-setting Cambridge dictionary have opened the doors to Generation Alpha.
—
Brittany Allen, Literary Hub, 18 Aug. 2025
While previous inner speech decoders were limited to only a handful of words, the new device allowed participants to draw from a dictionary of 125,000 words.
—Emma R. Hasson, Scientific American, 14 Aug. 2025
The word was added to the Merriam-Webster dictionary in 2019.
—Marina Watts, People.com, 8 Aug. 2025
Eventually, the sum total of indexes constitutes a dictionary, in which each entry isn’t a word but a short sequence of DNA base pairs.
—Dmitri Pavlichin, IEEE Spectrum, 22 Aug. 2018
See All Example Sentences for dictionary
Brittany Allen, Literary Hub, 18 Aug. 2025
While previous inner speech decoders were limited to only a handful of words, the new device allowed participants to draw from a dictionary of 125,000 words.
—Emma R. Hasson, Scientific American, 14 Aug. 2025
The word was added to the Merriam-Webster dictionary in 2019.
—Marina Watts, People.com, 8 Aug. 2025
Eventually, the sum total of indexes constitutes a dictionary, in which each entry isn’t a word but a short sequence of DNA base pairs.
—Dmitri Pavlichin, IEEE Spectrum, 22 Aug. 2018
See All Example Sentences for dictionary
Recent Examples of Synonyms for dictionary
lexicon
Noun
-
Richard Gere’s Armani wardrobe in the 1980 film American Gigolo sky-rocketed the brand into the American lexicon.—
Colleen Kratofil,
PEOPLE,
4 Sep. 2025
-
The sophomore slump remains part of the American lexicon, with examples scattered across sports, music and cinema.—
Troy Renck,
Denver Post,
1 Sep. 2025
Cite this Entry
“Dictionary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dictionary. Accessed 9 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share