Meaning

2 senses
  1. (UK)To tighten up a sailboat's sheets in order to prevent luffing.

  2. (informal, transitive)To become or make (something, someone) hard, either literally or figuratively.

Forms

hardens up, hardening up, hardened up, hardened up
Base formharden up · to harden up
3rd person singularhardens up
Present participlehardening up
Past simplehardened up
Past participlehardened up

irregular

Present simpleLesson

I, you, we, theyharden up
he, she, ithardens up

Past simpleLesson

all personshardened up

Present perfectLesson

I, you, we, theyhave hardened up
he, she, ithas hardened up

Future simple (will)Lesson

all personswill harden up

See also

neighbours in the dictionary
harden up — meaning, examples, forms, synonyms | Krumeto