Word.ws English Dictionary

ap-

ap- is the alternative form of apo-.

ap- is the alternative form of ad-.

Meaning of apo-

Prefix

apo-

  1. Lacking, without, scant.
    • aponeurosis
    1. An apoenzyme: an enzyme without its cofactor; associated apoproteins.
      • aporeceptor
    2. Lacking a metallic unit.
      • apoglobin
    3. Not, opposite.
      • apotracheal
  2. Away from, outward, or apart in direction.
    • apocentromeric
    1. Removal, amputation.
      • apotemnophobia

See all 15 meanings of apo-

Meaning of ad-

Prefix

ad-

  1. (idiomatic) Doing, enacting, forming a verb.
    • accouple
  2. Near, close to, adjacent.
    • adaxonal
  3. Towards in direction or movement. (anatomy) Towards the midline of the body.
    • adapical
  4. (idiomatic) Intensifying, additionally.
    • acclaim
  5. Along, alongside.
    • admarginal
  6. Appending and/or prepending. Adding from either side.
    • adfix

See all 8 meanings of ad-

Origin of ap-

Assimilated form of apo- before vowels.

Assimilated form of ad- before p. From Latin ad-.

Words formed from ap-

Questions about ap-

What is ap- the alternative form of?
Ap- is the alternative form of apo-.

Words near ap- in the dictionary

  1. ap
  2. Ap Lei Chau
  3. Ap Ma
  4. ap't
  5. ap'ts
  6. ap-
  7. ap.
  8. apa
  9. Apa Tani
  10. Apabhramsa
  11. Apabhramsha

Source and license

Adapted from Wiktionary: ap- (page history and authors); apo- (page history and authors); ad- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “ap-.” Word.ws, https://word.ws/ap-. Based on Wiktionary, CC BY-SA 4.0.