Keyword
certainly
Info
FrequencyTop 100-200
Type
Kyōiku (4th grade) 
?
KankenLevel 7
Heisig685
Readings
ひつ
(62%)
ひっ
(21%)
Composed of
heart
slash left
Mnemonic

If your heart gets slashed you will certainly die.

Used in kanji (6 in total)
intimate
secret
honey
ooze
???
large koto
Used in vocabulary (103 in total)
necessary; needed; essential; necessity; need; requirement
always; without exception; necessarily; certainly; without fail; positively
frantic; frenetic; inevitable death; brinkmate (inevitable checkmate)
Examples (200 in total)
"Will you go?" "I will if I have to."
You do not have to come here.
You don't need to go there.