1. not pleasing to look at; lacking beauty or artistic appeal

Examples

• The unaesthetic concrete building clashed with the historic neighborhood.
• She found the modern art installation unaesthetic and confusing.
• The developer’s unaesthetic design was rejected by the planning committee.
• His unaesthetic color choices made the room feel cold and unwelcoming.
• The unaesthetic power lines spoiled the scenic mountain view.
• Critics called the sculpture unaesthetic and poorly executed.