Definition

To remove an obstruction or blockage from something, such as a pipe or drain, so that it can flow freely again.

Example

I need to unclog the sink because the water is not draining properly.

Tense Forms

Conversation

My sink is draining so slowly; I think I need to unclog it.

That sounds frustrating! Have you tried using a plunger?

Not yet, but I might give it a shot before calling a plumber.

Good idea! It’s always best to try and unclog it yourself first.

Synonyms & Antonyms

Root Explanation

Unclog → It is formed from "un-" (meaning not or opposite of) and "clog" (from Old English "clogga", meaning to block or hinder). The word "unclog" means to remove a blockage or hindrance.

Memory Tip

Think of 'not blocking' ('un-') something that is 'hindered' ('clog'). This helps you remember that unclog means to clear a blockage.

Visually Confused Words