מַר‎ (mar|mar|adjective|bitter)
[Heb] מַר‎, מָרָה‎ ETCBC: מַר‎ (adjv|bitter) OSHL: m.dq.ab TWOT: 1248a 1248c GK: H5253, H5287 Greek: ἔλεγχος, ὀδύνη, ὀδύνη, πικρία, πικρός, πικρῶς
Derivation: or (feminine) מָרָה‎; from מָרַר‎;
Strong's: bitter (literally or figuratively); also (as noun) bitterness, or (adverbially) bitterly
KJV: [phrase] angry, bitter(-ly, -ness), chafed, discontented, [idiom] great, heavy.