1. Be powerful, violent, intense, strong; violence, etc.
Kā puke te vai mē ririnui te ua.
We shall get floods if it rains heavily;
‘E ‘oro‘enua ririnui tēnā i te kika i tēnā tumu rākau.
That’s a powerful horse you’ve got hauling that tree stump;
Kua tukutuku rātou i te kie i te ririnui‘anga te matangi.
They lowered the sails when the wind got up;
Kua tuku ‘aia i tōna ririnui ‘openga.
He threw in his last ounce of strength, he tried his utmost.
2. Be determined, indefatigable, concentrated (of the mind, manako).
Tē ririnui nei rāi tōku manako nō te ‘aere ki te tamaki.
I‘m still determined to go to the wars;
‘E pupu tangata ririnui tika ai tō‘ou i te ‘akatupu-‘anga i te ‘akakoro‘anga.
Your party are really bent on getting the organisation going;
Kua ririnui tōna manako ki tāna ‘anga‘anga.
His mind was intent on the job (he concentrated on his work).
3. n. Power, energy.
Te ririnui o te matīni,
the power of the engine. Ririnui uira, electrical power.