WordReference Random House Learner's Dictionary of American English © 2019 a pri•o•ri /ˌeɪ praɪˈɔraɪ, -ˈoʊraɪ/USA pronunciation
adj. WordReference Random House Unabridged Dictionary of American English © 2019
- Philosophyfrom a general law to a particular instance;
reasoning from cause to effect:a priori thinking.
- Philosophyexisting in the mind independent of experience;
valid independently of observation:an a priori belief.
Compare a posteriori
(ā′ prī ôr′ī, -ōr′ī, ā′ prē ôr′ē, -ōr′ē, ä′ prē ôr′ē, -ōr′ē),USA pronunciation
Philosophyfrom a general law to a particular instance; valid independently of observation. Cf. a posteriori (def. 1).
Philosophyexisting in the mind prior to and independent of experience, as a faculty or character trait. Cf. a posteriori (def. 2).
Philosophynot based on prior study or examination;
nonanalytic:an a priori judgment.
(ā′ prī ôr′ī, -ōr′ī, ā′ prē ôr′ē, -ōr′ē, ä′ prē ôr′ē, -ōr′ē),USA pronunciation n.
- Latin: literally, from the one before. See a-4, prior
Collins Concise English Dictionary © HarperCollins Publishers::
a priori /eɪ praɪˈɔːraɪ; ɑː prɪˈɔːrɪ/ adj
Etymology: 18th Century: from Latin, literally: from the previous (that is, from cause to effect)apriority /ˌeɪpraɪˈɒrɪtɪ/ n
- relating to or involving deductive reasoning from a general principle to the expected facts or effects
- known to be true independently of or in advance of experience of the subject matter; requiring no evidence for its validation or support
'a priori' also found in these entries: