ˈænsəˌleri
British ænˈsɪləri
formal
: providing something additional to a main part or function : extra
The company hopes to boost its sales by releasing ancillary products.
ancillary services/expenses
—sometimes + toThese expenses are ancillary to the basic cost.
Cite this Entry
“Ancillary.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/ancillary. Accessed 29 Jul. 2026.
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