| Main Entry: | |
| Part of Speech: | noun |
| Definition: | advertisement |
| Synonyms: | announcement, circular, commercial, endorsement, flyer, notice, plug, promotion |
| Notes: | ad is short for advertisement while add means 'to join or unite' so as to increase in size, quantity, quality, or scope |
| Main Entry: | blurb |
| Part of Speech: | noun |
| Definition: | announcement |
| Synonyms: | ad, advertisement, brief, commendation, puff, spot |
| Main Entry: | active duty |
| Part of Speech: | noun |
| Definition: | full-time military service |
| Synonyms: | AD, active duty for training, active service, full-time training duty, mobilization |
| Main Entry: | anno Domini |
| Part of Speech: | adverb |
| Definition: | in the year of our Lord |
| Synonyms: | AD, CE, in the Christian Era, in the Common Era, since the birth of Jesus Christ, year of our Lord |
| Main Entry: | trailer |
| Part of Speech: | noun |
| Definition: | preview |
| Synonyms: | ad, advertisement, clip, prevue, promo, teaser |