constrain
verbOPAL W
  /kənˈstreɪn/
  /kənˈstreɪn/
 (formal)Verb Forms
| present simple I / you / we / they constrain |  /kənˈstreɪn/  /kənˈstreɪn/ | 
| he / she / it constrains |  /kənˈstreɪnz/  /kənˈstreɪnz/ | 
| past simple constrained |  /kənˈstreɪnd/  /kənˈstreɪnd/ | 
| past participle constrained |  /kənˈstreɪnd/  /kənˈstreɪnd/ | 
| -ing form constraining |  /kənˈstreɪnɪŋ/  /kənˈstreɪnɪŋ/ | 
- [usually passive] to force somebody to do something or behave in a particular way- be/feel constrained to do something The evidence was so compelling that he felt constrained to accept it.
- The company said that it was constrained to raise prices.
 Extra Examples- She was an annoying woman, but I always felt constrained to be pleasant to her.
- They found themselves constrained to accept the proposal.
 
- [often passive] to limit somebody/something- be constrained (by something) Research has been constrained by a lack of funds.
- Men and women are becoming less constrained by stereotyped roles.
- constrain something There are a number of factors that constrain agricultural development.
- be/feel constrained from doing something She felt constrained from continuing by the threat of losing her job.
 
Word OriginMiddle English: from Old French constraindre, from Latin constringere ‘bind tightly together’.