agitate anger arouse disappoint enlarge exacerbate excite extend frustrate grow incite increase intensify pain raise ruin strengthen upset worry worsen aggravate amplify compound deepen dissatisfy complicate heighten inflame magnify provoke exasperate enrage infuriate augment irritate deprive starve abstain deplete diet fast sharpen whet animate stimulate vitalize aid assist encourage enliven help needle point escalate accumulate balloon bourgeon build burgeon expand mount mushroom rise snowball soar swell wax multiply advance develop enhance forward prolong revive win stretch tighten strain tension tense elevate increment climb amass inflate broaden surge double displease annoy discontent distress disgruntle offend trouble fail disaffect disquiet