Example sentence - Their home was in squalid living condition.
Harry was shocked to see the squalid conditions in which some people had to live when visiting a large developing world city.
The squalid house was crawling with spiders and cockroaches.
The poor young man looked squalid after suffering a tough beating.
When it has a subject, verb, punctuation, capitalization, a predicate, and a complete thought. A sentence is a sentence when it is handed down by a judge (or a magistrate).