Defined vs Definable - What's the difference?

As adjectives the difference between defined and definable

is that defined is having a definition or value while definable is able to be defined.

is past tense of define.

(wikipedia defined)

(head)

(define)

(en adjective)

Having a definition or value.

(bodybuilding) Having extreme muscle separation as a result of low body fat.

* (having a definition or value) undefined

(en adjective)

Able to be defined.

Many words are definable by using other words.

* undefinable * indefinable

* user-definable