| FILTRATING | • filtrating v. Present participle of filtrate. • FILTRATE v. to filter. |
| FLATTERING | • flattering adj. Attractive or good-looking; that makes one look good. • flattering adj. Gratifying to one’s self-esteem; complimentary. • flattering adj. (Of an image etc.) That which represents too favorably. |
| FLUSTRATING | • flustrating v. Present participle of flustrate. • FLUSTRATE v. (obsolete) to fluster. |
| FORGETTABLE | • forgettable adj. Easily forgotten. • FORGETTABLE adj. fit or likely to be forgotten. |
| EXFILTRATING | • exfiltrating v. Present participle of exfiltrate. • EXFILTRATE v. to remove or withdraw (an intelligence agent, soldier, etc.) surreptitiously from an enemy-held area. |
| FEATHERLIGHT | • featherlight adj. Alternative form of feather-light. • feather-light adj. Extremely light; light as a feather. • FEATHERLIGHT adj. extremely light. |
| FLATTERINGLY | • flatteringly adv. In a flattering manner. • FLATTERING adv. FLATTER, to praise excessively. |
| GRATEFULLEST | • gratefullest adj. Superlative form of grateful: most grateful. • GRATEFUL adj. deeply thankful. |
| INFILTRATING | • infiltrating v. Present participle of infiltrate. • INFILTRATE v. to cause to filter into. |
| UNFLATTERING | • unflattering adj. Not flattering. • unflattering v. Present participle of unflatter. • UNFLATTERING adj. not flattering. |
| FRUSTRATINGLY | • frustratingly adv. In a frustrating manner; in a manner that causes frustration. • FRUSTRATING adv. FRUSTRATE, to thwart. |
| UNFORGETTABLE | • unforgettable adj. Very difficult or impossible to forget. • UNFORGETTABLE adj. incapable of being forgotten. |
| UNFORGETTABLY | • unforgettably adv. In an unforgettable manner; very memorably. • UNFORGETTABLE adv. incapable of being forgotten. |
| INTERFOLIATING | • interfoliating v. Present participle of interfoliate. • INTERFOLIATE v. to interleave. |
| STAGFLATIONARY | • stagflationary adj. (Economics) Tending to induce stagflation. • STAGFLATIONARY adj. relating to stagflation. |
| ULTRAFILTERING | • ultrafiltering v. Present participle of ultrafilter. • ULTRAFILTER v. to pass through an ultrafilter. |
| UNFLATTERINGLY | • unflatteringly adv. In such a manner as to be unflattering. • UNFLATTERING adv. not flattering. |
| ULTRACENTRIFUGE | • ultracentrifuge n. A high-speed centrifuge, especially one free from convection that is used to separate colloidal particles. • ultracentrifuge v. To submit a material to ultracentrifugation. • ULTRACENTRIFUGE v. to subject to the action of an ultracentrifuge, a very high-speed type of centrifuge. |