Fixed (in opinion).
Durable, rigid (material state)
Insistent upon something, not accepting dissent.
Steadfast, secure, solid (in position)
To become firm; stabilise.
To make firm or strong; fix securely.
To improve after decline.
To make compact or resistant to pressure; solidify.
To shorten (of betting odds).
To select (a higher education institution) as one's preferred choice, so as to enrol automatically if one's grades match the conditional offer.
A criminal gang, especially based around football hooliganism.
A business partnership; the name under which it trades.
A business enterprise, however organized.
Not in a steady condition, uncertain, subject to change.
Unpaid.
Not populated, having no settlers or other inhabitants.
Disturbed, upset.