To tell a lie or to speak falsely.

झूठ बोलना

English Usage: "She was fibbing when she said she finished her homework."

Hindi Usage: "जब उसने कहा कि उसने अपना होमवर्क खत्म कर लिया, तो वह झूठ बोल रही थी।"

A lie or falsehood.

झूठ

English Usage: "He told a fib about where he was last night."

Hindi Usage: "उसने बताया कि वह कल रात कहां था, जो कि एक झूठ था।"