lengthen

Antonyms:

shorten

make shorter than originally intended; reduce or retrench in length or duration

Types:

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draw out, extend, prolong, protract

lengthen in time; cause to be or last longer

elongate, stretch

make long or longer by pulling and stretching

extend

prolong the time allowed for payment of

temporise, temporize

draw out a discussion or process in order to gain time

spin, spin out

prolong or extend

shoetree, tree

stretch (a shoe) on a shoetree

Type of:

increase

make bigger or more