Correct

寡居

/ guǎjū / 
Strokes

Definition

to live as a widow

Example

As a Verb

be widowed; live in widowhood

1
Tā
她
mǔqīn
母亲
yǐ
已
guǎjū
寡居
duōnián
多年
  
。

Her mother has been widowed for many years.

2
Guǎjū
寡居
de
的
mǔqīn
母亲

widowed mother