To shout loudly.

जोर से चिल्लाना

English Usage: She was yelling for help.

Hindi Usage: वह मदद के लिए चिल्ला रही थी।

The act of shouting or screaming.

चिल्लाना

English Usage: The yelling from the crowd was overwhelming.

Hindi Usage: भीड़ से आने वाली चिल्ली बहुत भारी थी।