特大とくだい Common Noun I-adj Noun English jmdict 1 nouns which may take the genitive case particle 'no' adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi) extra-large;king-size 特大のサイズはあるんですが、その色のは切らしております。 We have the extra-large size, but not in that color.