1. Having complicated nutritional requirements; especially growing only in special artificial cultures
   "certain highly specialized xerophytes are extremely exacting in their requirements"
   - fastidious 
2. Severe and unremitting in making demands
   "an exacting instructor"
   - stern, strict 
3. Requiring precise accuracy
   "an exacting job"
   - exigent

1. Claim as due or just
   - demand 
2. Take as an undesirable consequence of some event or state of affairs
   - claim, take

See also: demanding, exaction

Type of: ask, call for, claim, demand, involve, necessitate, need, postulate, require, take

Encyclopedia: Exact

• three-quarters
• three-ring circus
• three-seeded
• three-seeded mercury
• three-sided
• three-spined stickleback
• three-toed sloth
• three-way
• three-way calling
• three-way switch
• three-wheel
• three-wheeled
• three-year-old
• three-year-old horse
• threefold
• threep
• threepence
• threepenny
• threescore
• threesome
• threnode
• threnodist
• threnody
• threonine
• thresh