What does "groundbreaking" mean?

• new, innovative, never been done before
• what you do to your hair every day
• socks hung from the fireplace that are filled with presents on Christmas morning

Practice: groundbreaking

Members who passed this quiz

SamOora

ChornenkiyD

rose8

abha

Ratchiez

rezmac

ozge_s

soozzan

haitham4vip

lohane