concerned

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Interested and involved.
• adjective Anxious; troubled.

from The Century Dictionary.

• Having or manifesting disquietude; uneasy; troubled; anxious: as, she watched his movements with a concerned look or feeling; he was concerned about his prospects.
• A euphemism for damned.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Disturbed; troubled; solicitous.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Showing concern.
• verb Simple past tense and past participle of concern.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective culpably involved
• adjective involved in or affected by or having a claim to or share in
• adjective feeling or showing worry or solicitude