costing nothing
"complimentary tickets"
"free admission"
Free, without charge.
"The museum offered a free guided tour to seniors on Sunday morning, which they enjoyed completely gratis."
In plain English: Gratis means something is given to you for free without any cost.
"The hotel offered breakfast gratis to all guests."
Usage: Use gratis only to mean something given free of charge, not as an adjective describing a person who gives things away. It typically functions as an adverb or follows a noun rather than appearing before it to modify another word.
Free, without charge.
"The museum offers a guided tour every Sunday gratis for anyone who brings their own refreshments."
In plain English: Gratis means something is given to you for free without any cost.
"You can get the sample version of the software gratis."
Usage: Use gratis to indicate that something is provided free of charge, often appearing after a noun or in phrases like "free of charge." Do not use it when referring to an action performed without cost but included in a price, as this can be confusing; simply state the item is free instead.
The word gratis comes directly from the Latin language. It entered English with the meaning of "free of charge," retaining its original sense from the source language.