extend /ɪkˈstɛnd/ verb
extends; extended; extending
extends; extended; extending
Learner's definition of EXTEND
[+ object] : to cause (something, such as your arm or leg) to straighten out or to stretch out
[no object] : to become longer or to be able to become longer
[no object] : to continue in a specified direction or over a specified distance, space, or time
[no object] : to involve or include a specified person or thing + to
[+ object] : to make (something) longer or greater
[+ object]
: to offer (something, such as an apology) to someone usually + to
: to make (something) available usually + to

extend yourself

: to work hard : to do things that require effort

— extendable

or extendible /ɪkˈstɛndəbəl/ adjective

— extender

/ɪkˈstɛndɚ/ noun, plural extenders [count]