| EFFORTLESSLY | • effortlessly adv. Without effort; without difficulty or struggle. • EFFORTLESS adv. showing or requiring little or no effort. |
| FACTITIOUSLY | • factitiously adv. In a factitious manner. • FACTITIOUS adv. contrived, artificial. |
| FASTIDIOUSLY | • fastidiously adv. In a fastidious manner. • FASTIDIOUS adv. showing a meticulous or demanding attitude. |
| FATHOMLESSLY | • fathomlessly adv. In a fathomless manner, to a fathomless degree. • FATHOMLESS adv. incapable of being fathomed. |
| FELICITOUSLY | • felicitously adv. In a felicitous manner. • FELICITOUS adv. happy; prosperous. |
| FICTITIOUSLY | • fictitiously adv. In a fictitious manner. • FICTITIOUS adv. of, relating to, or characteristic of fiction, imaginary. |
| FLAGITIOUSLY | • flagitiously adv. In a flagitious manner. • FLAGITIOUS adv. marked by scandalous crime or vice; villainous. |
| FLAMBOYANTES | • FLAMBOYANTE n. a tropical tree with flame-coloured flowers, also FLAMBOYANT. |
| FLATTEROUSLY | • FLATTEROUS adv. (archaic) flattering. |
| FORESTAYSAIL | • forestaysail n. (Nautical) A triangular sail attached to the forestay. • FORESTAYSAIL n. the sail attached to a forestay. |
| FORTUITOUSLY | • fortuitously adv. In a fortuitous manner; in a manner of happening by chance; coincidentally; accidentally. • fortuitously adv. (Sometimes proscribed) In a fortuitous manner; in a manner of happening by a lucky chance; luckily; fortunately. • FORTUITOUS adv. occurring by chance. |
| FULIGINOSITY | • fuliginosity n. The condition or quality of being fuliginous; sootiness. • fuliginosity n. Matter deposited by smoke. • FULIGINOSITY n. the state of being fuliginous. |
| INFECTIOUSLY | • infectiously adv. In an infectious manner. • INFECTIOUS adv. capable of causing infection. |
| MYOFILAMENTS | • myofilaments n. Plural of myofilament. • MYOFILAMENT n. one of the individual filaments of actin or myosin that make up a myofibril. |
| PROFITLESSLY | • profitlessly adv. In a profitless manner. • PROFITLESS adv. without profit. |
| PYROSULFITES | • pyrosulfites n. Plural of pyrosulfite. • PYROSULFITE n. as in sodium pyrosulfite, an inorganic compound used as a preservative, antioxidant and disinfectant. |
| SOFTHEADEDLY | • softheadedly adv. In a softheaded manner. • SOFTHEADED adv. having or indicative of a weak, unrealistic, or uncritical mind. |
| SUREFOOTEDLY | • surefootedly adv. In a surefooted manner. • SUREFOOTED adv. not given to stumbling. |
| YOUTHFULNESS | • youthfulness n. The vitality characteristic of youth. • YOUTHFULNESS n. the state of being youthful. |