Antonyms of adj introvertish

1 sense of introvertish

Sense 1
introvertish, shut-in -- (somewhat introverted)

INDIRECT (VIA ambiversive, introversive) -> extroversive, extraversive -- (directed outward; marked by interest in others or concerned with external reality)
INDIRECT (VIA introversive, extroversive) -> ambiversive -- (intermediate between introversive and extroversive)

Similarity of adj introvertish

1 sense of introvertish

Sense 1
introvertish, shut-in -- (somewhat introverted)
       => introversive (vs. extroversive) (vs. ambiversive), introvertive -- (directed inward; marked by interest in yourself or concerned with inner feelings)