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rocks

/ɹɒks/

When used as a noun, "rocks" refers to multiple pieces of stone. It is the plural form of "rock." When used as a verb meaning 'to be excellent' (e.g., "This band rocks!"), it is informal slang and should not be used in formal writing or professional emails. Be careful with the verb meanings: rocking a baby is a gentle, soothing motion, while a boat rocking in a storm is an unstable, uncontrolled movement.

💬Casual Conversation

🎬Tuesday afternoon, David is at a corporate retreat while Jessica is stuck in the office.
David Smith

This new AI-driven workflow really rocks. Total game changer.

David Smith
Jessica
Jessica

I'm drowning in tickets here. Please just get back to the office.

💡
David uses 'rocks' as slang for 'is excellent', attempting to sound like a tech visionary. Jessica's response 'drowning in tickets' is an idiom meaning she is overwhelmed by a high volume of work requests, highlighting their contrasting stress levels.

Meanings

noun

The plural of rock; solid mineral material forming part of the surface of the earth.

"The hiker climbed over the jagged rocks to reach the summit."

verb (transitive)

To move something gently to and fro or from side to side.

"She rocks the baby's cradle to help him fall asleep."

verb (intransitive)

To move back and forth rhythmically; or, in slang, to be excellent or impressive.

"The boat rocks violently in the storm; also, 'This band really rocks!'"

Last Updated: May 22, 2026Report an Error