Third-person singular simple present indicative form of add

Third-person singular simple present indicative form of adde

Third-person singular simple present indicative form of add on

(transitive, of a numerical amount) To take the sum of; to total. / (intransitive) To accumulate; to amount to. / (idiomatic, intransitive) To make sense; to be reasonable or consistent.

plural of add-on

(transitive) To have a particular effect in combination.

(intransitive, business, management) To make a product or service more desirable or useful.

(business, management) Something that adds value; a benefit or enhancement.

Alternative spelling of value-add

plural of add-in