This is the 6882nd most frequent Swedish word.
ovant
Unfamiliar; unaccustomed.
Here, 'ovant' describes the feeling of unfamiliarity or awkwardness when using a new item, in this case, a phone.
Det är ovant att använda en ny telefon.
It is unfamiliar to use a new phone.
In this instance, 'ovant' illustrates a sense of unaccustomedness or not being used to a certain style for the given occasion.
Hon kände sig ovant klädd för festen.
She felt unaccustomedly dressed for the party.
The usage of 'ovant' here denotes a lack of comfort or habitual practice with an activity, such as public speaking.