slack

As verbs the difference between detain and slack

is that detain is keep (someone) from proceeding by holding them back or making claims on their attention while slack is .

As a verb slack

is .

As an adjective undefined is

lacking a definition or value.

As a noun flak

is ground-based anti-aircraft guns firing explosive shells.

As a verb slack is

.

As an initialism flac

is (computing) (free lossless audio codec).

As a verb slack is

.

As a noun inertia

is (physics|uncountable|or|countable) the property of a body that resists any change to its uniform motion; equivalent to its mass.

As a verb slack is

.

Behind is a related term of slack.

As a preposition behind

is at the back of.

As an adverb behind

is at the back part; in the rear.

As a noun behind

is the rear, back-end.

As a verb slack is

.

Unstirred is a related term of slack.

As an adjective unstirred

is that has not been mixed by stirring.

As a verb slack is

.

Slack is a related term of licentious.

As a verb slack

is .

As an adjective licentious is

lacking restraint, or ignoring societal standards, particularly in sexual conduct.

As a verb slack

is .

As an adjective dopey is

stupid, silly.

As a verb slack

is .

As an adjective flaccid is

flabby.