Suggestion: Specification in online dictionaries of the frequency of words usage
Description: Most words have more than meaning and each meaning usually has several synonyms. It will prove very useful for dictionary users (particularly for users looking for words in a second language) some data or guideline about the usage frequency of each alternative.
Pros: Uncommon & confusing words will not be used.
Cons: Cost. Still, the implementation of this idea may be limited to the top 10-15% of total words and carried out stepwise, beginning with the top 1-2% words.
Drivers: Translation services companies & Developers of translation software