\ ˈhärt
\
\
Medical Definition of HAART
: highly active antiretroviral therapy
Highly active antiretroviral therapy (HAART) for the chronic suppression of HIV replication has been the major accomplishment in HIV/AIDS medicine …— Douglas D. Richman et al., Science
Learn More About HAART
Cite this Entry
“HAART.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/HAART. Accessed 24 Jun. 2022.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Which Word Does Not Belong?
-
- Which of these words does not mean "nonsense"?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Commonly Confused Words Quiz
Take a (break/brake) and (pore/pour) over this (c...
Take the quiz
-
Words Named After People
Find out who’s behind "leotard," "morphine," an...
Take the quiz
-
Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz
-
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...
Take the quiz
Share HAART