Shirabe
士気旺盛

士気しき

Common Noun
English jmdict
1
noun (common) (futsuumeishi) morale (of troops, team, etc.);esprit de corps
観客側から相手チームをわらってやることは、その士気をくじくことになろう。
It would demoralize the opposing team to give it the razz from the spectators' side.
English jmdict
1
noun (common) (futsuumeishi)adjectival nouns or quasi-adjectives (keiyodoshi) morale being very high;heightened fighting spirit