Denshi Jisho — Online Japanese dictionary

適 たま occasional; rare
No-adjective, Na-adjective, Noun, Usually written using kana alone 
技適 ぎてき technical standards compliance
Noun, Abbreviation 
至適 してき optimal; optimum
Na-adjective 
自適 じてき living free from worldly care; easy and comfortable living
Noun, Suru verb 
素適 すてき lovely; dreamy; beautiful; great; fantastic; superb; cool; capital
Ateji (phonetic) reading, Na-adjective 
不適 ふてき inadequacy; inappropriateness; unfitness; impropriety
Na-adjective, Noun 
適 たまたま casually; unexpectedly; accidentally; by chance
Adverb 
快適 かいてき pleasant; agreeable; comfortable
Common word, Na-adjective, Noun 
最適 さいてき optimum; the most suitable
Common word, Na-adjective, Noun, No-adjective 
好適 こうてき ideal; fit; fitted; fitting; suitable
Na-adjective, Noun 
清適 せいてき (another's) well-being
Noun 
適不適 てきふてき suitability
Noun 
悠々自適 ゆうゆうじてき living a life of leisure with dignity; living quietly and comfortably free from worldly cares; otium cum dignitate
Na-adjective, No-adjective, Noun 
悠悠自適 ゆうゆうじてき living a life of leisure with dignity; living quietly and comfortably free from worldly cares; otium cum dignitate
Na-adjective, No-adjective, Noun 
パレート最適 パレートさいてき Pareto optimum
Noun 

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