antitumor
adjective
an·ti·tu·mor
ˈan-tē-ˌtü-mər 
-ˌtyü-,
ˈan-tī-
variants
or anti-tumor
or less commonly antitumoral
or anti-tumoral
: preventing or inhibiting the formation or growth of tumors : anticancer
antitumor medicines
antitumor activities
Cite this Entry
“Antitumor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antitumor. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
antitumor
adjective
an·ti·tu·mor
variants
or anti-tumor
also antitumoral
or anti-tumoral
or chiefly British antitumour
or anti-tumour
also antitumoural
or anti-tumoural
: preventing or inhibiting the formation or growth of tumors : anticancer
antitumor agents
antitumor activity
Love words? Need even more definitions?
Merriam-Webster unabridged
Share