(historical) Of or pertaining to Great Russia. / (historical) Of or pertaining to Great Russians, the language of Great Russia, as opposed to Little Russia, White Russia, etc.

(transitive) To render more intense / (intransitive) To become intense, or more intense; to act with increasing power or energy.

Relating to an embryophyte

Physically strong and active. / Mentally strong and active. / Rapid of growth.