AD

1. Active duty (military)
2. Air defence
3. Alzheimer's Disease
4. Anno domini (Latin), in the year of the Lord, now used in numbering the years since Christ was thought to have been born (also A.D.)
5. Dame of the Order of Australia, discontinued in 1986

ad¹ /ad/ (informal)

An advertisement

adˈware noun

Computer software that is bundled with another program and displays advertising while the other program is running

ad²

1. After date
2. Ante diem (Latin), before the day

-ad¹ /-ad/ (biology)

Denoting towards, as in caudad (towards the tail) or cephalad (towards the head)

ad. /ad/ (tennis, N American)

Advantage

-ad² /-ad/

1. Used in (1) names for nymphs, etc (naiad, dryad or hamadryad)
2. (2) titles of epic poems, etc (Iliad or Dunciad)
3. (3) words for numerical groups (triad, decad(e), myriad or Olympiad)

• cymotrichy
• cymous
• Cymric
• Cymry
• cyn-
• cynanche
• cynanches
• cynegetic
• cynghanedd
• cynghanedds
• cynic
• cynical
• cynically
• cynicalness
• cynicalnesses
• cynicism
• cynicisms
• cynics
• Cynipidae
• Cynips
• cyno-
• Cynocephalus
• cynomolgi
• cynomolgus
• cynophilia