| DIFFICULT | • difficult adj. Hard, not easy, requiring much effort. • difficult adj. (Often of a person, or a horse, etc) Hard to manage, uncooperative, troublesome. • difficult adj. (Obsolete) Unable or unwilling. |
| DIFFICULTIES | • difficulties n. Plural of difficulty. • difficulties n. (Colloquial) a series of frustrations. • DIFFICULTY n. the state of being difficult. |
| DIFFICULTLY | • difficultly adv. (Archaic) With difficulty; not easily. • DIFFICULT adv. not easy, hard to do. |
| DIFFICULTY | • difficulty n. The state of being difficult, or hard to do. • difficulty n. An obstacle that hinders achievement of a goal. • difficulty n. (Sometimes in the plural) Physical danger from the environment, especially with risk of drowning. |
| EFFECTUALITIES | • effectualities n. Plural of effectuality. • EFFECTUALITY n. the state of being effectual. |
| EFFICACIOUSLY | • efficaciously adv. In an efficacious manner. • EFFICACIOUS adv. having the power to produce a desired effect. |
| INEFFECTUALITY | • ineffectuality n. The state or condition of being ineffectual. • INEFFECTUALITY n. the state of being ineffectual. |
| INEFFICACIOUSLY | • inefficaciously adv. Without efficacy or effect. • INEFFICACIOUS adv. lacking the power to produce a desired effect. |
| INOFFICIOUSLY | • inofficiously adv. In an inofficious manner; without officiousness. • INOFFICIOUS adv. not officious. |
| INSUFFICIENTLY | • insufficiently adv. Not sufficiently. • INSUFFICIENT adv. not sufficient, also UNSUFFICIENT. |
| OFFICIOUSLY | • officiously adv. In an officious manner. • OFFICIOUS adv. volunteering one's services too eagerly. |
| SUFFICIENTLY | • sufficiently adv. (Manner) In a sufficient manner; enough. • sufficiently adv. (Degree) To a sufficient extent. • SUFFICIENT adv. adequate. |
| ULTRAEFFICIENT | • ultraefficient adj. Extremely efficient; of utmost efficiency. • ULTRAEFFICIENT adj. extremely efficient. |
| UNOFFICIAL | • unofficial adj. Not officially established. • unofficial adj. Not acting with official authority. • unofficial adj. (Pharmacology) Not listed in a national pharmacopeia etc. |
| UNOFFICIALLY | • unofficially adv. In a way that is not official. • UNOFFICIAL adv. not official. |