English vocabulary lists: “U” wordsEnglish vocabulary lists containing “Underground Railroad”

English vocabulary lists containing “Underground Railroad”

SpanishDictionary.com is the world's most popular Spanish-English dictionary, translation, and learning website.

FEATURES

ABOUT

SOCIAL NETWORKS

APPS

Making educational experiences better for everyone.

English dictionary and learning for Spanish speakers

French-English dictionary, translator, and learning

Immersive learning for 25 languages

Comprehensive resource for word definitions and usage

Essential reference for synonyms and antonyms

Adaptive learning for English vocabulary

Fast, easy, reliable language certification

Fun educational games for kids

Trusted tutors for 300+ subjects

Comprehensive K-12 personalized learning

Marketplace for millions of educator-created resources

35,000+ worksheets, games, and lesson plans