
1) Arduous 2) Extended 3) Long 4) Prolonged 5) Protracted 6) Verbose
Found on
https://www.crosswordclues.com/clue/lengthy

1) Drawn-out 2) Epic 3) Extended 4) Exclusively Anglo word 5) Exclusively Saxon word 6) Far from brief 7) Like some novels 8) Long 9) Long in duration 10) Long in time or size 11) Long-winded 12) Needing editing 13) Overly extended 14) Prolonged 15) Protracted 16) Relatively long in duration 17) Tediously protracted
Found on
https://www.crosswordclues.com/clue/lengthy

• (superl.) Having length; rather long or too long; prolix; not brief; -- said chiefly of discourses, writings, and the like.
Found on
http://thinkexist.com/dictionary/meaning/lengthy/
Length'y (-ȳ)
adjective [
Compar. Lengthier (-ĭ*ẽr);
superl. Lengthiest .] Having length; rather long or too long; prolix; not brief; -- said chiefly of discourses, writings, and the like. '
Lengthy periods.'
W...Found on
http://www.encyclo.co.uk/webster/L/29
No exact match found.