Definition of protasis in English:


Syllabification: prot·a·sis
Pronunciation: /ˈprätəsəs

noun (plural protases /-ˌsēz/)

The clause expressing the condition in a conditional sentence (e.g., if you asked me in if you asked me I would agree). Often contrasted with apodosis.
More example sentences
  • But it's my guess that most people take the first two clauses of the song as the protases of a conditional, rather than as rhetorical questions.
  • As we apply the metaphor to the problem of the tongue-speakers at Corinth, we note that the protasis (the ‘if’ clause of a conditional sentence) of 7b can also be rendered, ‘if one does not give detailed explanation to the utterances.’
  • What prompts doubts, or at any rate questions, is the generality of his protasis.


late 16th century: via Latin from Greek protasis 'proposition', from pro 'before' + teinein 'to stretch'.

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