As an adjective teenier
is comparative of teeny.
As a noun teenie is
{{cx|finance|informal|lang=en}} A sixteenth of a dollar, a unit in which stocks could formerly be traded.
teenier
English
Adjective
(head)
(teeny)
teeny
English
Etymology 1
From
Adjective
(er)
(informal) Very small; tiny.
Synonyms
* (very small)
*: (standard): minuscule, minute, tiny
*: (informal): teensy, teensy-weensy, teeny-weeny, weeny, eeny
Etymology 2
. See (teen) grief.
teenie
English
Noun
(
en noun)
A sixteenth of a dollar, a unit in which stocks could formerly be traded.