Forgotten

verb past tense of abandon, meaning to leave something or someone behind or stop supporting or caring for them

adjective describing something that has been deserted or left behind

• The abandoned building was scheduled for demolition.
• I heard there's an abandoned house at the end of the street.
• That place is totally abandoned, no one goes there anymore.
• She felt abandoned by her friends when they didn't invite her to the party.

adjective describing a state of being neglected or not looked after

• The abandoned building was left uncared for, leading to its deterioration.
• The garden in the backyard looks uncared for, we should probably tidy it up.
• The car has been sitting in the garage uncared for, it's starting to collect dust.
• Her emotional needs were left uncared for, causing her to feel neglected and alone.