strenuous

• Que exige ou emprega grande esforço ou tensão; fisicamente ou mentalmente difícil.

Requiring or using great effort or exertion; physically or mentally demanding.

1. Requiring great effortB2formal

   Needing or using a lot of physical or mental energy.

   Que exige grande esforço

   • Climbing the mountain was a strenuous activity.
   • She avoided strenuous exercise after her surgery.
   • The project required strenuous mental effort.

   Sinônimosarduousbackbreakingburdensomechallengingdemandingdifficultexactinghardlaboriousonerousrigoroustaxingtoughtrying

   Antônimoseasyeffortlesslightsimpleundemanding

2. Vigorous or activeB2formal

   Showing or involving great energy, determination, or activity.

   Enérgico

   • He made a strenuous attempt to finish the race.
   • The team put up a strenuous defense against the opponent.
   • Her strenuous objections changed the committee's decision.

   Sinônimosactivedetermineddynamicenergeticforcefulintenserobustspiritedtirelessvigorous

   Antônimosidleinactivelazylethargicsluggish