Unappealing (adjective)

1. Not attractive or pleasing.
2. Not likely to be liked or approved of.

Origin:

Mid 17th century: from un- (meaning 'not') + appealing, present participle of the verb appeal.

Examples:

1. The dish looked unappealing, its appearance not enticing to the senses.
2. The decor was unappealing, its style and colors not fitting with the atmosphere of the room.
3. The proposal was unappealing, its details not meeting the needs and expectations of the stakeholders.
4. The candidate was unappealing, his demeanor and attitude not winning the favor of the voters.
5. The product was unappealing, its quality and performance not meeting the standards of the market.