This is the 234th most frequent Hindi word.
शक
Doubt.
Here, 'शक' means 'doubt' or a feeling of uncertainty.
मुझे शक है कि वह समय पर पहुँचेगा।
I doubt that he will arrive on time.
Here, 'शक' is associated with 'doubt' or hesitation in making a decision.
कभी-कभी बिना शक किए हुए निर्णय लेना ज़रूरी होता है।
Sometimes it is necessary to make decisions without doubt.
In this context, 'शक' denotes 'suspicion' or an assumption of wrongdoing.