Free Online Vocabulary Test
K12, SAT, GRE, IELTS, TOEFL
Quick Access Resources:
Print PDF Quiz/Test Online Study
 4000 Duolingo (U - Z) - Spelling Practices
Word List   Previous    
Read [Esc] (1)
v. 強調 draw a mark or line under; emphasize; stress


Spelling Word: underscore
Read [Esc] (2)
a. 無差別的,無顯著特徵的 not differentiated; without clear distinctive characters


Spelling Word: undifferentiated
Read [Esc] (3)
a. 不可預知的 random; difficult to foretell or foresee


Spelling Word: unpredictable
Read [Esc] (4)
a. 未損壞的 not decayed or decomposed


Spelling Word: unspoiled
Read [Esc] (5)
v. 使升級,提升 raise to a higher grade or standard; advance


Spelling Word: upgrade
Read [Esc] (6)
n. 變化,多樣性,變種 diversity; quality or condition of being various or varied


Spelling Word: variety
Read [Esc] (7)
v. 使顯現,使形象化 make visual, or visible; see in fancy; form a mental image of


Spelling Word: visualize
Read [Esc] (8)
v. 涉水,費力行走 paddle; walk through relatively shallow water


Spelling Word: wade
Read [Esc] (9)
v. 工資,進行,開展,發起 hazard on the event of a contest; stake; engage in, as a contest; venture for hire or reward; employ


Spelling Word: wage
Read [Esc] (10)
n. 打賭,賭注,打賭,保證 something deposited, laid, or hazarded on the event of a contest or an unsettled question;  bet; stake


Spelling Word: wager