1. Morally binding or necessary
   "it is incumbent on me to attend"

See also: irremissible, obligatory

• Microcentrum
• microcephalic
• microcephalous
• microcephalus
• microcephaly
• microchip
• Microchiroptera
• microcircuit
• microclimate
• microcline
• Micrococcaceae
• Micrococcus
• microcode
• microcomputer
• microcopy
• microcosm
• microcosmic
• microcosmic salt
• microcredit
• microcrystalline
• microcyte
• microcytic anaemia
• microcytic anemia
• microcytosis
• Microdesmidae