| CALFSKIN | • calfskin n. A fine leather made from the hide of a calf. • CALFSKIN n. the skin of a calf. |
| FARTLEKS | • fartleks n. Plural of fartlek. • FARTLEK n. (Swedish) a training technique, used esp. among runners, consisting of bursts of intense effort alternating with less strenuous activity. |
| FLACKERS | • flackers v. Third-person singular simple present indicative form of flacker. • FLACKER v. (Scots) to flutter, also FLAFFER. |
| FLACKETS | • flackets n. Plural of flacket. • FLACKET v. to flap, flutter. |
| FLAKIEST | • flakiest adj. Superlative form of flaky: most flaky. • FLAKEY adj. in flakes; crazy, eccentric, also FLAKY. |
| FLANKENS | • FLANKEN n. beef cut from the side and boiled with vegetables. |
| FLANKERS | • flankers n. Plural of flanker. • FLANKER v. to use flank defences. |
| FLASKETS | • flaskets n. Plural of flasket. • FLASKET n. (historical) a long, shallow basket, with two handles. |
| FLOKATIS | • flokatis n. Plural of flokati. • FLOKATI n. (Modern Greek) a handwoven Greek rug. |
| FLYBACKS | • flybacks n. Plural of flyback. • fly-backs n. Plural of fly-back. • FLYBACK n. the rapid return of the spot on a cathode ray tube after it finishes a line. |
| FOLKWAYS | • folkways n. Plural of folkway. • folk-ways n. Plural of folk-way. • folk␣ways n. Plural of folk way. |
| FORSLACK | • forslack v. (Intransitive, rare) To slack up; be or grow slack; pall. • forslack v. (Transitive, obsolete) To be slack in; neglect by idleness; relax; render slack; delay; lose or spoil by slackness. • FORSLACK v. to be slack, also FORESLACK. |
| KHALIFAS | • khalifas n. Plural of khalifa. • Khalifas n. Plural of Khalifa. • KHALIFA n. (Arabic) a caliph; a Senussi leader; the Mahdi's successor, also KHALIFAH. |
| LOCKFAST | • lockfast adj. (Scotland) Fastened or secured with a lock. • LOCKFAST adj. secured by locks. |
| RACKFULS | • rackfuls n. Plural of rackful. • RACKFUL n. as much as a rack can hold. |
| SACKFULS | • sackfuls n. Plural of sackful. • SACKFUL n. as much as a sack can hold. |
| SACKSFUL | • sacksful n. Plural of sackful. • SACKFUL n. as much as a sack can hold. |
| SEAFOLKS | • SEAFOLK n. seafaring people. |
| TALKFEST | • talkfest n. (Informal) A session of enthusiastic discussion or gossip. • TALKFEST n. an informal discussion meeting. |
| TANKFULS | • tankfuls n. Plural of tankful. • TANKFUL n. the amount a tank can hold. |