Potentially fatal

(colloquial) One who supports liberation for some group.

(idiomatic) Cowardly, lacking courage.

(evolutionary theory) Any species discovered first as a fossil and believed extinct, but which is later found living; an organism that has remained unchanged over geological periods.

Alternative spelling of lightheadedness

A thin sheet of colored plastic used to affect color temperature of lights when shooting film or video. They are held in front of a light by clipping it to the barn doors using C-47s.

Fast on one's feet, not plodding; nimble, agile.

simple past tense and past participle of light-foot, ran.

A line of people dancing the conga. / (figuratively) A succession of similar events, especially a quick, unstoppable, and/or comical succession.

Looking like someone currently lives there or has lived there, not pristine, not new / (euphemistic) Looking sloppily kept. / (Of a dramatic performance) fully-realized, well-observed.