ripple noun

ADJ. little, small

VERB + RIPPLE cause, set off The decision caused ripples of concern among the parents. | send I dropped the pebble in the water, sending ripples across the pond. His remarks sent a ripple of laughter through the audience. | feel He felt a small ripple of fear pass through him.

RIPPLE + VERB pass/run through sb/sth | spread (across) sth He watched the ripples spread across the pool.

RIPPLE + NOUN effect

PREP. ~ of A ripple of unease passed through her.