(chiefly US, law) the legal philosophy that the Constitution should be read in a broad way that adapts to the changing times

(chiefly US, law) a broad interpretation of the Constitution, especially one strays from literal, textualist meaning and adapts to evolving circumstances

plural of loose lip

(rugby, dated) Ruck.

(grammar) A syntactic construction which uses the past participle, inflected in the ablative case, without an auxiliary verb yet not as an adjective, but silently supposing a verb to depend upon.

(now rare) To give vent (to), to let loose (unrestrained feelings, emotions etc.).

(idiomatic, often pluralized) The practice or characteristic of being overly talkative, especially with respect to inadvertently revealing information which is private or confidential.

(historical) A con game played with a chain, belt or string that is laid down to form two open loops. The mark places a finger or stick in one of the loops to try and secure (fast) the chain when it gets lifted, but either loop can fast or fail to fast (loose) the chain around the mark's finger/stick depending on where the con artist decides to lift the chain.

(chiefly UK) Idle; bored

simple past tense and past participle of loose off