Denshi Jisho — Online Japanese dictionary

うかつ careless; stupid; thoughtless; heedless; unobservant; inadvertant; incautious
Na-adjective, Usually written using kana alone 
かっぽ striding; swaggering; strutting
Noun, Suru verb 
かいかつ cheerful; lively; lighthearted
Na-adjective 
かったつ openhearted; frank; broad-minded
Na-adjective, Noun 
かつだつ openhearted; frank; broad-minded
Out-dated or obsolete kana, Na-adjective, Noun 
かんかつ generous; largehearted
Na-adjective, Noun 
こうかつ spacious
Na-adjective, Noun 
こうかつ spacious
Na-adjective, Noun 
きゅうかつ not having met or contacted someone for a long time; neglect of friends
Noun 
葉樹 かつようじゅ broad-leaved tree
Noun 
千万 うかつせんばん very careless; quite thoughtless
Na-adjective 
横行 おうこうかっぽ swaggering
Noun, Suru verb 
達自在 かったつじざい broad-minded and free in disposition; large-hearted and not scrupulous about trifles
Noun, Na-adjective 
自由 じゆうかったつ free and easy; open and natural; not fastidious
Noun, Na-adjective 
天空海 てんくうかいかつ the open sky and the serene sea; as open as the sky and serene as the sea; magnanimous
Noun 
明朗 めいろうかったつ upbeat and freehearted; cheerful and magnanimous
Na-adjective 
を叙する きゅうかつをじょする to apologize for a long neglect of friends (apologise)
Expression, Suru verb - special class 

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