From the given options, select the one which is similar in meaning to the given word

"Lament"

Mourn

The correct answer is: Option (2) → Mourn

Lament means to express sorrow, grief, or regret, especially over a loss — which is similar in meaning to mourn.

Option (1) Complain – means to express dissatisfaction
Option (3) Console – means to comfort someone; opposite in intent.
Option (4) Celebrate – means to rejoice; the opposite of lament.