Quality: Upper-intermediate Spanish vocabulary

14 Spanish words about quality at upper-intermediate level. Each entry links to the full meaning, a real example sentence, and usage notes written for English speakers.

• positivoadjectivepositive, favourable
• idealadjectiveideal — perfectly suited; best possible for a purpose
• extraordinarioadjectiveextraordinary — very unusual or remarkable, beyond the ordinary
• fieladjectivefaithful — loyally devoted; also: accurate and true to an original
• decaerverbto decline, to deteriorate
• desagradableadjectiveunpleasant, nasty — causing discomfort or displeasure
• adecuadoadjectiveadequate, suitable — functionally sufficient or appropriate for a purpose
• defectonounflaw, defect
• eficienteadjectiveefficient — achieving results with minimal waste of resources; optimal input-output ratio
• sueltoadjectiveloose — not firmly fixed; also fig. lacking rigour or coherence
• duraderoadjectivedurable, lasting — designed or expected to endure over time
• elaboradoadjectiveelaborate, detailed — carefully and thoroughly constructed; also as past participle: produced/prepared
• sofisticadoadjectivesophisticated — highly developed and complex; or: having refined tastes and knowledge
• exhaustivoadjectivethorough, exhaustive — extremely comprehensive and careful in covering all aspects