adjective

1. joined together, esp. in a pair; coupled
2. Bot. bijugate
3. Chem.
   1. related to each other by the difference of a proton: said of acids and bases
   2. of or pertaining to the alternation of single and double bonds in organic compounds
4. Gram. derived from the same base and, usually, related in meaning: said of words
5. Math. specially related or having the same or similar properties, as two points, lines, or quantities

Etymology: ME conjugat < L conjugatus, pp. of conjugare, to join together < com-, together + jugare, to join < jugum, yoke

noun

1. a conjugate word
2. a conjugate point, line, quantity, etc.
3. a chemically conjugated substance

transitive verb conjugated -·gat′ed, conjugating -·gat′·ing

1. Archaic to join together; unite; couple
2. Biochem. to join (compounds) so that the resulting substance can be readily removed, as a toxic product in the body
3. Gram. to inflect (a verb) systematically, giving its different forms according to voice, mood, tense, number, and person

intransitive verb

1. Biol. to unite in conjugation
2. Gram.
   1. to conjugate a verb
   2. to be conjugated