dissatisfied
adj.feeling unhappy or disappointed because something is not as good as you expected. You use this when a service, a product, or a situation fails to meet your needs.
adj.feeling a lack of satisfaction or contentment with a specific outcome, service, or state of affairs. Often used predicatively after linking verbs such as 'feel', 'seem', or 'remain'.
“The customer was dissatisfied with the slow service.”
“Many employees felt dissatisfied with the new office policy and requested a meeting with management.”
“Public opinion polls suggest that the electorate is increasingly dissatisfied with the government's inability to curb inflation despite several aggressive interest rate hikes.”
Commonly followed by the preposition 'with'.
Dissatisfied takes the preposition 'with', not 'of' or 'from'.
“The latest British Social Attitudes survey found only 26% satisfied with the National Health Service, while 51% were dissatisfied.”
“Her husband’s restaurant has failed, he thinks feminism is bad for Chinese women and Muna is dissatisfied with their marriage.”
From dis- + satisfied.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.