look up any word, like bae:
 
1.
un·hav·na·ble

adj.
Impossible to have: unhavnable goals.

unhavnability un·hav·na·bil·i·ty n.
unhavnably un·hav·na·bly adv.

The origin of this word is uncertain, but it can be considered the inevitable consequence of AIM.
"There was a time when walking on the moon was considered unhavnable."

"When chatting online, being pedantic is oftentimes unhavnable."
by Frank Polasek Dugan III May 04, 2008