Chapter Furnisher to Fussy of F by Webster's Dictionary (1913 Edition)

2. The state of being melted or dissolved by heat; a state of fluidity or flowing in consequence of heat; as, metals in fusion.

3. The union or blending together of things, as, melted together.

The universal fusion of races, languages, and customs . . .
had produced a corresponding fusion of creeds.

C. Kingsley.

Watery fusion (Chem.) the melting of certain crystals by heat in their own water of crystallization.

4. (Biol.) The union, or binding together, of adjacent parts or tissues.

Fusome
(Fu"some) a. [AS. fsan to hasten, fr. fs ready, prompt, quick; akin to OS. fs, OHG. funs, Icel. fuss willing; prob. from the root of E. find.] Handy; reat; handsome; notable. [Prov. Eng.] Halliwell.

Fuss
(Fuss) n. [Cf. Fusome.]

1. A tumult; a bustle; unnecessary or annoying ado about trifles. Byron.

Zealously, assiduously, and with a minimum of fuss or noise

Carlyle.

2. One who is unduly anxious about trifles. [R.]

I am a fuss and I don't deny it.

W. D. Howell.

Fuss
(Fuss), v. i. [imp. & p. p. Fussed ; p. pr. & vb. n. Fussing.] To be overbusy or unduly anxious about trifles; to make a bustle or ado. Sir W. Scott.

Fussily
(Fuss"i*ly) adv. In a fussy manner. Byron.

Fussiness
(Fuss"i*ness), n. The quality of being fussy.

Fussy
(Fuss"y) a. [Compar. Fussier ; superl Fussiest.] Making a fuss; disposed to make an unnecessary ado about trifles; overnice; fidgety.

Not at all fussy about his personal appearance.

R. G. White.