certainly

Universal Words adverb 1 without doubt; definitely: Without treatment, she will almost certainly die. * Certainly, the early learning years are crucial to a child's educational development. * I'm certainly never going there again. * She was certainly attractive but you couldn't call her beautiful. -< SURELY 2 (used in answer to questions) of course: 'May I see your passport, Mr Scott?' 'Certainly.' * 'Do you think all this money will change your life?' 'Certainly not.'