An antagonization or instigation intended to convince a person to perform an action they otherwise would not. / A bid to overcome something. / (sports) An attempt to take possession; a tackle.

(transitive) To invite (someone) to take part in a competition. / (transitive) To dare (someone). / (transitive) To dispute (something). / To call something into question or dispute.

A small to mid-size reptile, of the family Chamaeleonidae, and one of the best known lizard families able to change color and project its long tongue.

Describing something that changes color.

A small passerine bird, Fringilla coelebs, of the finch family, found throughout Europe and eastward to Iran and eastern Mediterranean coastlands.

A slate or enamel board for writing on with chalk; a predecessor to a whiteboard.

To write or draw on a chalkboard.

(transitive, idiomatic) To attribute or account for something; to ascribe.

(physics) A nuclear reaction in which particles produced by the fission of one atom trigger fissions of other atoms. / (figuratively) A series of events, each one causing or influencing the next.

(sports) A competition to determine a champion, especially the final of a series of competitions. / The position of champion, or winner. / Defense or support of some cause.