| OMBROPHILOUS | • ombrophilous adj. (Biology) Capable of thriving in areas of heavy rainfall. • OMBROPHILOUS adj. capable of withstanding long periods of rain. |
| OMBROPHOBOUS | • ombrophobous adj. Synonym of ombrophobic. • OMBROPHOBOUS adj. of or like an ombrophobe, a plant thriving only in desert conditions. |
| OMBUDSPERSON | • ombudsperson n. A person of any gender who performs the function historically defined by the term ombudsman. |
| OMISSIVENESS | • omissiveness n. The quality of being omissive. • OMISSIVENESS n. the state of being omissive. |
| OMMATOPHORES | • ommatophores n. Plural of ommatophore. • OMMATOPHORE n. an eyestalk, as in snails. |
| OMNIFICENCES | • OMNIFICENCE n. the state of being omnificent. |
| OMNIPARITIES | • OMNIPARITY n. general equality. |
| OMNIPOTENCES | • omnipotences n. Plural of omnipotence. • OMNIPOTENCE n. the state of being omnipotent, also OMNIPOTENCY. |
| OMNIPOTENTLY | • omnipotently adv. In an omnipotent manner. • OMNIPOTENT adv. all-powerful. |
| OMNIPRESENCE | • omnipresence n. The ability to be, or the characteristic of being, at all places at the same time (usually only attributed to God). • OMNIPRESENCE n. the state of being omnipresent. |
| OMNISCIENCES | • omnisciences n. Plural of omniscience. • OMNISCIENCE n. the state of being omniscient. |
| OMNISCIENTLY | • omnisciently adv. In an omniscient manner; with omniscience. • OMNISCIENT adv. knowing everything. |
| OMNISHAMBLES | • omnishambles n. (UK, informal, chiefly politics) A situation that is bad or mismanaged in every way. • OMNISHAMBLES n. a situation that has been completely mismanaged. |
| OMNIVOROUSLY | • omnivorously adv. In the manner of an omnivore. • OMNIVOROUS adv. feeding on all kinds of food. |
| OMPHALOMANCY | • omphalomancy n. Divination by means of a child’s navel, to learn how many children the mother may have. • OMPHALOMANCY n. predicting the number of children a mother will bear by counting the knots in her firstborn's umbilical cord. |