secretadditive

noun
UK /ˈsiː.krət ˈæd.ɪ.tɪv/
US /ˈsiː.krət ˈæd.ə.tɪv/

A secret additive is a hidden thing put into food or drink.

The label did not list the secret additive used in the sauce.


OTHER MEANINGS

2. A hidden extra element added to a plan or process to change its result.

The coach treated extra practice as a secret additive to the team's success.

3. An undisclosed chemical mixed into a product during manufacturing.

Inspectors found a secret additive in the imported juice.

4. A private boost or advantage kept hidden from others.

Her secret additive was waking up early to study.