n. 25B6; noun
his anxiety grew : WORRY, concern, apprehension, apprehensiveness, uneasiness, unease, fearfulness, fear, disquiet, disquietude, perturbation, agitation, angst, nervousness, nerves, tension, tenseness; informal butterflies (in one's stomach), jitteriness, twitchiness, collywobbles, jim-jams.
an anxiety to please : EAGERNESS, keenness, desire.
serenity.