Ad lib and Throw together

Ad lib adverb - Without advance preparation.

Throw together and ad lib are semantically related in conceive topic. In some cases you can use "Throw together" instead a verb phrase "Ad lib", when it comes to topics like formulate, make up, improvise.

Throw together verb - Produce shoddily, without much attention to detail.

Ad lib and throw together are semantically related in formulate topic. Sometimes you can use "Ad lib" instead a verb "Throw together".