Dictionary.com
Thesaurus.com
Synonyms

by definition

Idioms  
  1. According to prior determination, as a given. For example, This antibiotic is by definition the most effective now on the market. [1970s]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Regardless, if it doesn’t exceed the recent highs in two more days, that will be a buy signal by definition.

From MarketWatch Aug. 14, 2026

In other words, he seems to think that if the facility is enriching uranium at all, it is by definition military—i.e., its purpose is to build nuclear weapons.

From Slate Jul. 23, 2026

A behest, after all, is by definition a command or at least a strong suggestion.

From Los Angeles Times Jun. 20, 2026

"If you sanction someone because they're doing some behaviour and they change the behaviour, then by definition the sanction cannot stay."

From BBC Jun. 13, 2026

Popular music is, by definition, music that appeals to many people.

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training