This is the 5462nd most frequent Portuguese word.
suscetível
Likely to be influenced or affected; sensitive or vulnerable.
Here, 'suscetível' is used to denote a person's sensitivity or vulnerability to external influence, in this case, criticism.
Ela é muito suscetível a críticas, então tenha cuidado ao comentar.
She is very susceptible to criticism, so be careful when commenting.
In this context, 'suscetível' refers to a region's proneness or likelihood to experience flooding.
Essa área é suscetível a inundações durante chuvas fortes.
This area is susceptible to flooding during heavy rains.
Here, 'suscetível' describes the negotiations’ potential to be influenced or altered due to a specific factor.