Wiktionary
unacclimated
a. Not having been acclimated.
Usage examples of "unacclimated".
Newport is a disastrous place for the unacclimated observer, evidently.
The sheriff was all unacclimated to the suave altruism of fashionable circles.
The rocky and precipitous coast afforded no sheltered landing places, the roads were mere bridle-paths, the effect of the tropical sun and rains upon the unacclimated troops was deadly, and a dread of strange and unknown diseases had its effect on the Army.
In Cuba the disease is epidemic during June, July, and August, and it appears with such certainty that the Revolutionists at the present time count more on the agency of yellow fever in the destruction of the unacclimated Spanish soldiers than on their own efforts.