geezery

As a noun geekery

is that which concerns geeks.

As an adjective geezery is

(us|informal) like a geezer: old and senile.

As a noun geezers

is .

As an adjective geezery is

(us|informal) like a geezer: old and senile.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective geezery is

(us|informal) like a geezer: old and senile.

Geezery is a synonym of fogeyish.

As adjectives the difference between geezery and fogeyish

is that geezery is (us|informal) like a geezer: old and senile while fogeyish is characteristic of or resembling an old fogey: outdated or out of touch.

Geezery is a synonym of geezerly.

As adjectives the difference between geezerly and geezery

is that geezerly is geezery while geezery is like a geezer: old and senile.

As adjectives the difference between senile and geezery

is that senile is of, or relating to old age while geezery is like a geezer: old and senile.