adv. possible but not necessary; left to personal choice
You can optionally choose steak instead of chicken.
voluntarily; by choice; by preference
mandatory; required
4 syllables
op-tion-al-ly
VocabClass lessons are designed to engage students, improve motivation in learning the subject matter, and generate better results. Long-term retention is our focus and by making the learning process fun, our gamified approach has a positive impact on this goal.
View all games!