The word "impartable" means something that cannot be given or communicated. Synonyms for this word include untransmittable, incommunicable, unsharable, unshareable, intransmittable, nontransferable, noncommunicable, and untellable. These synonyms all convey the same idea, that something cannot be shared or passed on to others. It could be information that is confidential or personal, or a feeling that cannot be fully expressed or understood by others. When using synonyms for "impartable," it is important to consider the context and the intended meaning, to ensure that the word is used appropriately.