Synonym: adversary, enemy, opponent. Antonym: friend. Meaning: [fəʊ] 
n. 1. an armed adversary (especially a member of an opposing military force) 2. a personal enemy.
n. 1. an armed adversary (especially a member of an opposing military force) 2. a personal enemy. 
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91 Identification Friend - or - Foe ( IFF ) system is very important in modern warfare.
92 Benign blastocytoma showed single wave image or double waves image, but the percent foe the NR wave was small.
93 The working principle and foe advantage of dual screw melter are described in this paper, the production technology of fluorescent brightener is discussed in detail.
94 The assessment provides scientific basis foe rebuildinggroundwater, preventing water quality deterioration and making water resource policy.
95 There will also be a handful of "world" encounters that will require the server to band together and overcome a great foe.
96 It developed a timing sequence control system for better coordination between radar and identificator of friend or foe in operating time sequence.
97 At the same time, everything was done to guide our airmen and deceive the foe.
98 Figurine - Dark Iron Scorpid : Every swing poisons your foe for 15 damage over 10 sec.
99 Fight chivalrously against an honest foe; armed irregulars deserve no quarter.
100 Treat the low efficiency as foe, seek remarkable outstanding, emotionalize customers through the first-class rate,(http://sentencedict.com/foe.html) the first-class skills and the simple emotions to realize customer's dream.
101 You little knew who was your friend and who your foe?
102 More than that, I must give to every human being I come in contact with, from my wife to the bootblack who shines my shoes; from my brother to my sworn foe.
103 Recent advance in Laser friend or foe identification and important role of LEFI in modern war are reviewed.
104 But our optimism must also be leavened with caution. Malaria is a tenacious foe.
105 Spell. Must follow a Lead Attack. Target foe becomes Crippled for 5...17 seconds. Mantis Touch counts as an off-hand attack.
106 More often than not , the rattlesnake will slither away in search of a less intimidating foe.
107 IFF ( Identification between Friend or Foe ) system is very important in modern wars.
108 When the horned lizard is approached by a hungry foe, it uses an equally unusual method of self-preservation.
109 In modern times, it is more customary to show quarter to a conquered foe than anciently.