complain

1 ENTRIES FOUND:
complain /kəmˈpleɪn/ verb
complains; complained; complaining
complain
/kəmˈpleɪn/
verb
complains; complained; complaining
Britannica Dictionary definition of COMPLAIN
1 
[no object] : to say or write that you are unhappy, sick, uncomfortable, etc., or that you do not like something
— often + about or of
2 
[+ object] : to say (something that expresses annoyance or unhappiness)

— complainer

noun, plural complainers [count]

— complainingly

/kəmˈpleɪnɪŋli/ adverb