0 not familiar with something, or not used to something: --
The Olympic and world champion finished in the unaccustomed position of fourth.
The weather presented a particular challenge, especially for soldiers unaccustomed to subarctic conditions.
1 (of a person) not familiar with or experienced at something: --
His unaccustomed nervousness made us all anxious.
Quite a number of persons are now taking longer and unaccustomed journeys to their work.
The arts of government are not easily acquired, particularly by peoples so far unaccustomed to their exercise.
They sit with judicial charm and gentleness, but they find themselves time and again doing work to which they are completely unaccustomed.
I think that both of us are acting in rather unaccustomed capacities today.
I find myself in the not unaccustomed position of having to face a cross-fire.
Otherwise, does he not think that it is an unaccustomed and difficult course on which he may be embarking?
When abroad, one finds unaccustomed responsibilities settling on one's shoulders.
There are many unaccustomed difficulties in this market.
