Un-waning refers to something that does not diminish or decrease in strength, intensity, or power over time. Antonyms for un-waning include waning, diminishing, declining, decreasing, subsiding, abating, fading, weakening, and ebbing. These words imply a gradual or sudden decrease in intensity, strength, or power over time. For example, the waning moon gets smaller and weaker as it approaches the new moon phase. Antonyms of un-waning indicate a loss of energy, vitality, or impact as time passes, and often imply a need for recharging or renewal to restore strength and power.