Definition

The quantity of liquid that can fill a tank completely.

Example

The car's fuel tank can hold a tankful of gasoline.

Conversation

How much gas do you think we need for the trip?

I’d say about a tankful should be enough for now.

Yeah, I agree, we can always refill if we need more.

Exactly! Better to have a full tankful before we hit the road.

Synonyms & Antonyms

Root Explanation

Tankful → It is formed from "tank" (from Middle English *tanke*, meaning a container for holding liquid) and "-ful" (meaning full of). The word "tankful" means full of a tank, or the amount that a tank can hold.

Memory Tip

Think of a 'tank' as a container that holds liquid, and '-ful' means it is full. So, a tankful is simply the amount that a tank can hold.

Visually Confused Words