not at all

いいえ、どう致しまして、微塵、凡そ

not at all の類語

never, by no means, no matter what, under no circumstances, not a bit, on no account, no, none, noway, not much, in no way, in no case, far from it, nowise, nohow, at no hand, out of the question, in no respect, not nearly, on no condition, in no wise, nowhere near, god forbid, not a whit, not a speck, not an iota, not a jot, mean, to the contrary, at no time, quite the contrary, not ever, au contraire, noways, never on earth, on no occasion, scarcely, from scratch, nevermore

not at all の反意語

ever, by all means

例文

• You are not at all wrong.
  君は必ずしも間違ってはいない。
• It is not rare at all to live over ninety years.
  ９０歳以上生きることは決してまれではない。
• I'm not convinced at all.
  私は全然納得していない。

not at all の言い換えを探すには

not at all（いいえ）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。