vague

equivalents

indefinable

indistinct

unclear

undefinable

synonyms

abstract

aimless

airy

aleatoric

aleatory

ambiguous

ambiguous

amorphic

amorphous

amphibological

anarchic

attenuate

attenuated

baggy

bland

blank

blear

bleared

bleary

blind

blobby

blurred

blurry

boyish

broad

capricious

casual

chance

chancy

chaotic

characterless

clear as mud

clouded

cloudy

collective

concealed

confused

dark

delicate

desultory

diaphanous

diluted

dim

disarticulated

discontinuous

discursive

disjunct

disordered

disorderly

dispersed

etymologically-related-terms

vaguely

vagueness

same-contexts

dim

faint

false

mysterious

profound

rhymes

Craig

Hague

Haig

Laphroaig

Sprague

plague