Princeton's WordNet

1. astute, sharp, shrewd(adj)

   marked by practical hardheaded intelligence

   "a smart businessman"; "an astute tenant always reads the small print in a lease"; "he was too shrewd to go along with them on a road that could lead only to their overthrow"

2. calculating, calculative, conniving, scheming, shrewd(adj)

   used of persons

   "the most calculating and selfish men in the community"

Wiktionary

1. shrewd(Adjective)

   showing clever resourcefulness in practical matters

2. shrewd(Adjective)

   artful, tricky or cunning

3. shrewd(Adjective)

   streetwise

4. shrewd(Adjective)

   knowledgeable

Origin: From shrewe. See shrew

Webster Dictionary

1. Shrewd(u)

   inclining to shrew; disposing to curse or scold; hence, vicious; malicious; evil; wicked; mischievous; vexatious; rough; unfair; shrewish

2. Shrewd(u)

   artful; wily; cunning; arch

3. Shrewd(u)

   able or clever in practical affairs; sharp in business; astute; sharp-witted; sagacious; keen; as, a shrewd observer; a shrewd design; a shrewd reply

• oordeelkundigAfrikaans
• حاد الذَّكاء، حَكيم، ثاقِب الرأيArabic
• уменBulgarian
• astutoPortuguese (BR)
• chytrýCzech
• schlauGerman
• kløgtig; klogDanish
• σοφός, που διαθέτει ορθή κρίσηGreek
• perspicaz, astutoSpanish
• nutikasEstonian
• زيركFarsi
• älykäsFinnish
• astucieuxFrench
• חָכָםHebrew
• समझदारHindi
• mudar, lukavCroatian
• éles eszűHungarian
• cerdikIndonesian
• glöggskyggn; kænskurIcelandic
• astutoItalian
• 抜け目のないJapanese
• 영리한Korean
• įžvalgus, sumanusLithuanian
• gudrs; vērīgs; rūpīgi apsverošsLatvian
• bijakMalay
• slimDutch
• klok, smart, forutseendeNorwegian
• sprytny, rozsądnyPolish
• زيركPersian
• ځيرك، چالا، ټګPashto
• astutoPortuguese
• isteţ, subtilRomanian
• проницательный, тонкийRussian
• chytrý, bystrýSlovak
• moderSlovenian
• oštroumanSerbian
• klipsk, klok, klyftigSwedish
• หลักแหลมThai
• açıkgöz, kurnazTurkish
• 精明的，狡猾的Chinese (Trad.)
• проникливий; тверезийUkrainian
• ہوشیارUrdu
• khôn ngoan, lanh lợiVietnamese
• 精明的，机灵的Chinese (Simp.)