- something extremely useful, helpful, or beneficial; a blessing or benefit: online check-in is a boon for many travellers
WordReference Random House Learner's Dictionary of American English © 2026
boon1 /bun/USA pronunciation
n. [countable* usually singular]
WordReference Random House Unabridged Dictionary of American English © 2026- something to be thankful for;
a blessing;
benefit:The lower fares are a boon to senior citizens. - something that is asked for;
a favor.
boon1
(bo̅o̅n),USA pronunciation n.
boon′less, adj.
boon2 (bo̅o̅n),USA pronunciation adj.
boon3 (bo̅o̅n),USA pronunciation n. [Textiles.]
- something to be thankful for;
blessing;
benefit. - something that is asked;
a favor sought.
- Old Norse bōn prayer; cognate with Old English bēn
- Middle English bone 1125–75
boon2 (bo̅o̅n),USA pronunciation adj.
- jolly;
jovial;
convivial:boon companions. - [Archaic.]kindly;
gracious;
bounteous.
- Latin bonus good
- Middle French
- Middle English bone 1275–1325
boon3 (bo̅o̅n),USA pronunciation n. [Textiles.]
- Textilesthe ligneous waste product obtained by braking and scutching flax. Also called shive, shove.
- 1350–1400; Middle English (north) bone; compare Old English bune reed
Collins Concise English Dictionary © HarperCollins Publishers::
boon /buːn/ n
boon /buːn/ adj
- close, special, or intimate (in the phrase boon companion)
- archaic jolly or convivial
'boon' also found in these entries (note: many are not synonyms or translations):