underline is a valid English word

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

Meanings

Noun (COUNTABLE)

A line placed underneath a piece of text in order to provide emphasis or to indicate that it should be viewed in italics or (in electronic documents) that it acts as a hyperlink.
(uncommon) The character _.
• Synonym: underscore, low line
(dated) An announcement of a theatrical performance to follow, placed in an advertisement for the current one.

Verb

To draw a line underneath something, especially to add emphasis; to underscore
(figuratively) To emphasise or stress something
(figurative obsolete) To influence secretly.

Adjective (NOT COMPARABLE)

Passing under a railway line.

underline is a Scrabble valid word

underline

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

underline is an iScramble, QuickWords valid word

underline

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

Same letters words (Anagrams)

• UNLINERED

Same letters plus one

• UNDERLINED
• UNDERLINEN
• UNDERLINER
• UNDERLINES
• UNRECLINED

Same letters minus one

• RUNNELED
• UNDERLIE
• UNREINED