American English

Definition of straighten verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they straighten
    he / she / it straightens
    past simple straightened
    -ing form straightening
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  1. 1[transitive, intransitive] to become straight; to make something straight straighten something (out) I straightened my tie and walked in. straighten (out) The road bends here then straightens out.
  2. 2[transitive, intransitive] to make your body straight and vertical straighten something He stood up and straightened his shoulders. straighten something/yourself up I straightened myself up to answer the question. straighten (up) Straighten up slowly, then repeat the exercise ten times.
  3. Phrasal Verbsstraighten somebodyoutstraighten somethingoutstraighten somethingup
See the Oxford Advanced Learner's Dictionary entry: straighten