From the participle stem of Latin coniugō, from con- + iugō.

• (verb)
  • (RP) IPA: /ˈkɒn.d͡ʒə.ɡeɪt/
  • (America, Canada) IPA: /ˈkɑn.d͡ʒə.ɡeɪt/
  • (Australia) IPA: /ˈkɔn.d͡ʒə.ɡæɪt/
• (noun)
  • (RP) IPA: /ˈkɒn.d͡ʒə.ɡət/
  • (America, Canada) IPA: /ˈkɑn.d͡ʒə.ɡət/
  • (Australia) IPA: /ˈkɔn.d͡ʒə.ɡət/

conjugate (conjugates, present participle conjugating; simple past and past participle conjugated)

1. (grammar, transitive) To inflect (a verb) for each person, in order, for one or more tenses; to list or recite its principal parts.

   Coordinate term: decline

   In English, the verb 'to be' is conjugated as follows: 'I am', 'you are', 'he/she/it is', 'we are', 'you are', 'they are'.

2. (mathematics) To multiply on the left by one element and on the right by its inverse.
3. (rare) To join together, to unite; to juxtapose.
   • 2002, Colin Jones, The Great Nation, Penguin, published 2003, page 55:

     The effects of hunger were often conjugated with epidemic disease.

4. (biology, of bacteria and algae) To temporarily fuse, exchanging or transferring DNA.

• French: conjuguer
• German: konjugieren
• Italian: coniugare
• Portuguese: conjugar
• Russian: спряга́ть
• Spanish: conjugar

conjugate (plural conjugates)

1. Any entity formed by joining two or more smaller entities together.
2. (algebra, of a complex number) A complex conjugate.
3. (algebra) More generally, any of a set of irrational or complex numbers that are zeros of the same polynomial with integral coefficients.
4. (algebra, field theory, of an element of an extension field) Given a field extension L / K and an element α ∈ L, any other element β ∈ L that is another root of the minimal polynomial of α over K.
5. (mathematics) An explementary angle.
6. (grammar) A word agreeing in derivation with another word, and therefore generally resembling it in meaning.
   • 17th c, John Bramhall,

     We have learned in logic, that conjugates are sometimes in name only, and not in deed.

7. (immunology) A weak and a strong antigen covalently linked together

• Portuguese: conjugado
• Russian: объедине́ние

conjugate (not comparable)

1. United in pairs; yoked together; coupled.

   Antonyms: dysconjugate

2. (botany) In single pairs; coupled.
3. (chemistry) Containing two or more radicals supposed to act the part of a single one.
4. (grammar) Agreeing in derivation and radical signification; said of words.
5. (math) Presenting themselves simultaneously and having reciprocal properties; said of quantities, points, lines, axes, curves, etc.

• conjugal