characterized by undue haste and lack of thought or deliberation; "a hotheaded decision"; "liable to such impulsive acts as hugging strangers"; "an impetuous display of spending and gambling"; "madcap escapades"; (`brainish' is archaic)
conceal one's true motives from especially by elaborately feigning good intentions so as to gain an end; "He bamboozled his professors into thinking that he knew the subject well"
at an earlier time or formerly; "she had previously lived in Chicago"; "he was previously president of a bank"; "better than anything previously proposed"; "a previously unquestioned attitude"; "antecedently arranged"
after the expected or usual time; delayed; "a belated birthday card"; "I'm late for the plane"; "the train is late"; "tardy children are sent to the principal"; "always tardy in making dental appointments"
used in negative statement to describe a situation that has existed up to this point or up to the present time; "So far he hasn't called"; "the sun isn't up yet"
used after a superlative; "this is the best so far"; "the largest drug bust yet"