Off-limits and Off limits

Off-limits adjective - Barred to a designated group.

Off limits and off-limits are semantically related In some cases you can use "Off limits" instead the phrase "Off-limits" as an adjective or an adverb.

Off-limits and off limits are semantically related in unspeakable topic. Sometimes you can use "Off-limits" instead the phrase "Off limits" as an adjective or an adverb, if it concerns topics such as beyond limit.