Bing found the following results
Lengthen Definition & Meaning - Merriam-Webster
LENGTHEN Definition & Meaning | Dictionary.com
LENGTHENED Synonyms: 25 Similar and Opposite Words - Merriam-Webster
LENGTHENED | English meaning - Cambridge Dictionary
Lengthened - definition of lengthened by The Free Dictionary
LENGTHEN | English meaning - Cambridge Dictionary
LENGTHEN | definition in the Cambridge English Dictionary
Lengthened - Definition, Meaning & Synonyms | Vocabulary.com
LENGTHEN definition and meaning | Collins English Dictionary
lengthen verb - Definition, pictures, pronunciation and usage …