friendly, a. [amicable], [favorable], [kind]; [fraternal], hospitable, neighborly, [cordial]; [favorable], propitious, salutary, advantageous. Antonyms: See unfriendly.
friendship, n. [amity], intimacy, amicability, [friendliness]. Antonyms: [enmity], [estrangement], [alienation], disaffection, [hostility], aloofness.
fright, n. [alarm], [fear], [consternation], [terror], [dismay]; ogre, [scarecrow], [guy], [dowdy].
frighten, v. [terrify], [alarm], [scare], intimidate, [dismay], affright, [daunt], appall, terrorize.
frightful, a. [terrible], [dreadful], [hideous], ogreish, [fearful], [alarming], grewsome, grim, dire, direful, [awful], Gorgonian, [horrible].
frill, n. [ruffle], [gathering], [furbelow].
fringe, n. edging, [margin], [confine], [border], fimbriation.
fringed, a. fimbriate, fimbriated, fimbricate.
frisk, n. [frolic], [gambol].--v. [leap], [skip], [gambol], [frolic], [play].
frisky, a. [frolicsome], [sportive], [coltish], [playful], [gay].