stiffen

stiffen
v. trans.
Make compact: P. and V. πηγνύ̆ναι.
Confirm: P. βεβαιοῦν.
Encourage: P. and V. θρᾰσύ̄νειν, θαρσύνειν, P. ἐπιρρωνύναι.
V. intrans. Grow fixed: P. and V. πεπηγέναι (2nd perf. act. of πηγνύναι).

STIFFEN

rigidum facere reddere aliquid (to make more rigid; general term): densare (to thicken). To stiffen with starch (vestem) firmare.

stiffen:

I. To become hard: rĭgeo, rĭgesco (poet.), obdūresco: concresco (of liquids, cf. Virg. G. 3, 463): v. HARDEN.

II. To make stiff:

1. rĭgĭdum facere vel praebere.

2. dūro, 1 (rare):

3. ămy̆lo, 1 (to s. with starch): v. STARCH.

rigeo
to be stiff, be numb, stiffen

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appearing fewer than 50 times

concresco
to grow together, harden, condense, curdle, stiffen, congeal
obrigesco
to stiffen, become stiff
rigesco
to grow stiff, be benumbed, stiffen, harden