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unplumbed

[uhn-pluhmd] / ʌnˈplʌmd /
ADJECTIVE
unexplored
Synonyms
STRONGEST
uncharted
WEAK
undetermined unfathomed uninvestigated
Antonyms
WEAK
explored
ADJECTIVE
unfathomable
Synonyms
STRONGEST
boundless immeasurable infinite
WEAK
abysmal deep eternal soundless unending unmeasured
Antonyms
STRONGEST
bounded calculable finite limited measurable
WEAK
believable comprehensible explainable explicable fathomable

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.