As adjectives the difference between junkiest and gunkiest
is that junkiest is (junky) while gunkiest is (gunky).
junkiest
English
Adjective
(head)
(junky)
junky
English
Adjective
(er)
Resembling or characteristic of junk; cheap, worthless, or of low quality.
Noun
(junkies)
(slang, pejorative)
gunkiest
English
Adjective
(head)
(gunky) gunky
English
Adjective
(er)
greasy, messy or dirty.
Related terms
* gunk