Denshi Jisho — Online Japanese dictionary

臭い くさい 1: stinking; smelly;
2: suspicious; fishy;
3: clumsy
Common word, Adjective 
臭い におい 1: odour; odor; scent; smell; stench;
2: aura; whiff; smacks of ...; sense; flavour; flavor
Noun 
臭い奴 くさいやつ dubious fellow
Noun 
臭い消し においけし deodorant
Noun 
臭い物に蓋 くさいものにふた looking the other way; hushing up a problem; solving a problem by ignoring it
Expression 
臭い物にふた くさいものにふた looking the other way; hushing up a problem; solving a problem by ignoring it
Expression 
臭いものにふた くさいものにふた looking the other way; hushing up a problem; solving a problem by ignoring it
Expression 

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