impressiveness; impact; force; intensity; appeal; strength
threat; menace; coercion; terrorism
spirit; soul; drive; vigor; vigour
threatening letter; intimidating letter
obsession; unreasonable but compulsive idea
closing in on (the enemy, first place, etc.); coming close to; pressing hard; pressing hard (e.g. with a question); taking to task; grilling
person making threats; intimidator
threatening letter; intimidating letter
financial difficulty; distress
full impact; packing a punch
telephone threat (e.g. of a bomb)
obsessive-compulsive disorder; OCD
menace; threat; intimidation
respiratory distress syndrome
growing urgent; becoming distressful
lacking spirit, vigour (vigor)
urgent; pressing; imminent