sempiternal is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Adjective (NOT COMPARABLE)

Everlasting, eternal.
(philosophy) Everlasting, that is, having infinite temporal duration (as opposed to eternal: outside time and thus lacking temporal duration altogether).

sempiternal is a Scrabble valid word

sempiternal

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

sempiternal is an iScramble, QuickWords valid word

sempiternal

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• INTERSAMPLE
• PLANIMETERS

Same letters plus one

• EMPLASTERING
• PLANIMETRIES
• PREVAILMENTS
• STRAMENOPILE

Same letters minus one

• ALPESTRINE
• ASPIREMENT
• EPISTERNAL
• ETERNALISM
• IMPLANTEES
• IMPLANTERS
• INTERLAPSE
• INTERPALES
• INTERPLEAS
• MALPRESENT
• MARTELINES
• PALMIRENES
• PEARLSTEIN
• PLANIMETER
• PLENARTIES
• PRAISEMENT
• PRESENTIAL
• REIMPLANTS
• SALIPENTER
• SPELTERMAN
• STEAMLINER
• STREAMLINE