Denshi Jisho — Online Japanese dictionary

ぼんやり 1:
2: (Onomatopoeic or mimetic word) dimly; faintly; indistinctly; vaguely;
3: (Onomatopoeic or mimetic word) absentmindedly; vacantly; carelessly;
4: (Onomatopoeic or mimetic word) idly; aimlessly; (Noun) absence of mind; fool; blockhead; dunce
Common word, Adverb, Adverb taking the 'to' particle, Suru verb 

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