AD- n.
-, 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.
ADHERE v.
To hold, be attached, or devoted; to remain fixed, either by personal union or conformity of faith, principle, or opinion; as, men adhere to a party, a cause, a leader, a church.
ANTIQUARY n.
e devoted to the study of ancient times through their relics, as inscriptions, monuments, remains of ancient habitations, statues, coins, manuscripts, etc.; one who searches for and studies the relics of antiquity.
ANTIQUE n.
in a more limited sense, a relic or object of ancient art; collectively, the antique, the remains of ancient art, as busts, statues, paintings, and vases. Misshapen monuments and maimed antiques. Byron.