1. Filled with bewilderment
   - at a loss, nonplussed, puzzled

See also: perplexed

• interrogation point
• interrogative
• interrogative mood
• interrogative sentence
• interrogatively
• interrogator
• interrogatory
• interrupt
• interrupted
• interrupted fern
• interrupter
• interruption
• interscholastic
• interschool
• intersect
• intersectant
• intersecting
• intersection
• intersection point
• intersectional
• intersex
• intersexual
• interspace
• interspecies
• interspecific