Definition

In a position where the flat side is facing down, rather than standing on an edge.

Example

The box should be placed flatlong on the table to avoid tipping over.

Conversation

When you lay down the board, make sure it's flatlong for stability.

Good idea! That way it won't wobble while we play.

Exactly! I want to keep the game fun and steady.

Totally agree — let's make sure everything is set up just right.

Synonyms & Antonyms

Root Explanation

This word originates from a combination of 'flat' (from Old English *flaet*, meaning level or smooth) and 'long' (from Old English *lang*, meaning extended in distance). The word 'flatlong' refers to a measurement that is both level and extended, often used in geographical contexts.

Memory Tip

Think of a surface that is 'level' ('flat') and 'extended' ('long') — this helps you remember that 'flatlong' describes something that is both flat and long.

Visually Confused Words