1560s, from Latin sollicitus "restless, uneasy, careful, full of anxiety" (see solicit). Related: Solicitously; solicitousness.
solicitous about the future
solicitous parents
made solicitous inquiries about our family
solicitous about her health
solfege
solicit
solicitate
solicitation
solicitor
solicitous
solicitude
solid
solidarity
solidary
solidification