colourless

Example:To test whether a gas is colourless, you might use a chemical that changes colour when exposed to the gas.

Definition:A substance without any visible colour.

Example:Many types of moss are colourless and can blend into their surroundings.

Definition:Plants that do not have any visible colour.

Example:His colourless personality made it hard for me to relate to him, let alone form a close friendship.

Definition:A personality that lacks distinct traits or characteristics; often used to describe someone who is boring or dull.

Example:The event turned out to be colourless and uninteresting, with no significant moments happening throughout the day.

Definition:Events that are not notable or remarkable.