ad

ad has 3 senses in the JumbleFix dictionary. Letters: 2.

Definitions

• As a prefix ad- assumes the forms ac-, af-, ag-, al-, an-, ap-, ar-, as-, at-, assimilating the d with the first letter of the word to which ad- is prefixed. It remains unchanged before vowels, and before d, h, j, m, v. Examples: adduce, adhere, adjacent, admit, advent, accord, affect, aggregate, allude, annex, appear, etc. It becomes ac- before qu, as in acquiesce.
• n.. a public promotion of some product or service
• adv.. in the Christian era; used before dates after the supposed year Christ was born; "in AD 200"