stiffen up en · VERB
Meanings
- To become rigid, tense or stiff.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| stiffens up | Number=Sing, Person=3, Tense=Pres | lexicographic | |
| stiffening up | Tense=Pres, VerbForm=Part | lexicographic | |
| stiffened up | Tense=Past, VerbForm=Part | lexicographic | |
| stiffened up | Tense=Past | lexicographic |