Be sure
The crossword clue "Be sure" is answered by KNOW, a 4-letter entry. Used 6 times across 5 distinct years; most recently in 2025; first recorded in 1956. It appears in 3 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
KNOW
4 letters. See every clue for this answer on the KNOW answer page.
Used 6 times across 5 distinct years; most recently in 2025; first recorded in 1956. It appears in 3 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
- MAKECERTAIN (1 uses in xd)
Other clues for KNOW
Every other clue in this collection answered by KNOW, most used first.
- Recognize - used 64 times, most recently in 2026
- Be aware of - used 26 times, most recently in 2026
- Be sure of - used 22 times, most recently in 2026
- Have down pat - used 20 times, most recently in 2025
- Have memorized - used 20 times, most recently in 2023
- Be acquainted with - used 16 times, most recently in 2021
- Have down - used 15 times, most recently in 2026
- Comprehend - used 13 times, most recently in 2024
- Have no doubt about - used 13 times, most recently in 2026
- Have down cold - used 12 times, most recently in 2024
- Have no doubts - used 10 times, most recently in 2026
- More than suspect - used 10 times, most recently in 2026
- Be certain - used 7 times, most recently in 2026
- Be certain of - used 6 times, most recently in 2026
- Be familiar with - used 6 times, most recently in 2023
- Cognize - used 6 times, most recently in 2003
- Have the 411 - used 6 times, most recently in 2025
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- "Yeah, sure!" - IBET, used 143 times
- "Oh, sure!" - IBET, used 51 times
- Was sure of - KNEW, used 45 times
- "Sure" - OKAY, used 27 times
- "No ___!" ("Sure thing!") - PROB, used 22 times
- "Sure!" - YEAH, used 22 times
Search the clue collection
Search by clue words or by answer, or type a pattern with the letters you have and a blank for each square you do not know. The characters _ ? . and - all work as blanks.