freebase
noun, verb
freebase is a noun meaning “The purified, dry form of an amine, especially an alkaloid natural product, that is normally used in solution” (English Wiktionary, September 2026). It is spelled F-R-E-E-B-A-S-E, and it appears about once in every 19 million words in written English (wordfreq, 2021 data). The plural of freebase is freebases.
What does freebase mean?
noun
- 1
The purified, dry form of an amine, especially an alkaloid natural product, that is normally used in solution.
- 2
The purified, dry form of certain illegal drugs, especially cocaine.
verb
- 1
To purify a drug by crystallization.
- 2
To use a purified drug, especially cocaine, by heating it and inhaling the fumes produced.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of freebase
- freebases plural, present, singular, he/she/it
- free base
- freebasing participle, present
- freebased participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is freebase?
Freebase appears about once in every 19 million words in written English, the 133,440th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does freebase come from?
From free + base.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).