a person motivated by irrational enthusiasm (as for a cause); "A fanatic is one who can't change his mind and won't change the subject"--Winston Churchill
marked by excessive enthusiasm for and intense devotion to a cause or idea; "rabid isolationist"
affect; "Fear seized the prisoners"; "The patient was seized with unbearable pains"; "He was seized with a dreadful disease"
take hold of; grab; "The sales clerk quickly seized the money on the counter"; "She clutched her purse"; "The mother seized her child by the arm"; "Birds of prey often seize small mammals"
take or capture by force; "The terrorists seized the politicians"; "The rebels threaten to seize civilian hostages"