▶ USAGE Care should be taken not to use unchartered where uncharted is meant: uncharted (not unchartered) territory
unchartered in American English
(unˈtʃɑːrtərd)
adjective
1.
without a charter
2.
without regulation; lawless
Word origin
[1795–1805; un-1 + charter + -ed2]This word is first recorded in the period 1795–1805. Other words that entered Englishat around the same time include: kingpin, oxidize, sensitivity, unilateral, wreckerun- is a prefix meaning “not,” freely used as an English formative, giving negative oropposite force in adjectives and their derivative adverbs and nouns (unfair; unfairly; unfairness; unfelt; unseen; unfitting; unformed; unheard-of; un-get-at-able), and less freely used in certain other nouns (unrest; unemployment); -ed is a suffix forming the past participle of weak verbs (he had crossed the river), and of participial adjectives indicating a condition or quality resulting fromthe action of the verb (inflated balloons). Other words that use the affix -ed include: classified, frosted, integrated, limited, sheltered
Examples of 'unchartered' in a sentence
unchartered
It is a bit like venturing into unchartered territory.
Times, Sunday Times (2018)
It's exciting as we're going into unchartered territory.
The Sun (2018)
So how should policymakers respond to the unchartered waters of the modern world?
Times, Sunday Times (2018)
You know you've strayed into unchartered fashion territory when even basic syntax fails you.
Times, Sunday Times (2015)
Unfamiliar cultures and challenging social work did not faze her; relationships, however, were unchartered territory.