To speak with difficulty due to a speech impediment.

हकलाना

English Usage: She tends to stammel when she is nervous.

Hindi Usage: उसे नर्वस होने पर हकलाने की आदत है।

A stammer or stuttering speech pattern.

हकलाना

English Usage: His stammel made it difficult for him to express his thoughts clearly.

Hindi Usage: उसका हकलाना उसके विचारों को स्पष्ट रूप से व्यक्त करने में कठिनाई पैदा करता था।