Dictionary and Thesaurus

Definition of Lengthen

• (v. t.) To extent in length; to make longer in extent or duration; as, to lengthen a line or a road; to lengthen life; -- sometimes followed by out.
• (v. i.) To become longer.

Synonyms of Lengthen

• Elongate
• Stretch Out
• Prolong
• [See EXTEND].

Antonyms of Lengthen

Homophones of Lengthen