IPA: /ˌkɒntrəˈdɪktəbl/
KK: /kɒntrəˈdɪktəbl/
Able to be denied or opposed; something that can be argued against.
The theory is contradictable, meaning it can be challenged by new evidence.
Comparative: more contradictable
Superlative: most contradictable
Contradictable → It is formed from "contra-" (meaning against) and "dicere" (meaning to say). The word refers to something that can be said against or opposed.
Think of saying something 'against' ('contra-') what has been stated ('dicere') — that's why contradictable means something that can be opposed.