Always or forever, used mainly in Latin phrases and official mottos.
From Latin 'semper' meaning 'always' or 'ever,' related to 'semel' (once). The word appears in many English institutions and mottos borrowed directly from Latin.
The U.S. Marine Corps' famous motto 'Semper Fidelis' means 'Always Faithful'—it's why Marines are sometimes called 'Jarheads' with pride, and why this Latin word still echoes in modern English institutions!
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