to be clear (of a sight, sound, colour, etc.); to be bright; to be clear-headed; to be alert; to look upbeat; to be perky; to master (a skill)
clearness; clarity; skillfulness (skilfulness)
to be wide-awake; to be wakeful; to be unable to sleep
to be clear; to be distinct; to be skillful; to be skilful; to be well-executed; to get cold
clearly; brightly; crisply
cheerful (look); healthy (complexion)
to be very clear; to be keenly cold; to be cold and clear
to be clear-headed; to be brainy
dark; dull; unsatisfactory; dissatisfying; unattractive; unappealing
to clear gradually; to get cold gradually
cheerful (look); healthy (complexion)