Webster's 1828 Dictionary
CONSTANTLY
adv. Firmly; steadily; invariably; continually; perseveringly. Rhoda constantly affirmed that it was even so. Acts 12:15.
These things I will that thou affirm constantly. Titus 3:8.
Webster's 1913 Dictionary
CONSTANTLY
CONSTANTLY Con "stant *ly, adv.
Defn: With constancy; steadily; continually; perseveringly; without cessation; uniformly. But she constantly affirmed that it was even so. Acts. xii. 15.
New American Oxford Dictionary
constantly
con stant ly |ˈkänstəntlē ˈkɑːnstəntli | ▶adverb continuously over a period of time; always: the world is constantly changing | he was constantly on her mind.
Oxford Dictionary
constantly
con |stant ¦ly |ˈkɒnst (ə )ntli | ▶adverb continuously over a period of time; always: the world is constantly changing | he was constantly on her mind.
American Oxford Thesaurus
constantly
constantly adverb the language is constantly in flux: always, all the time, continually, continuously, persistently; around /round the clock, night and day, ‘morning, noon, and night ’; endlessly, nonstop, incessantly, unceasingly, perpetually, eternally, forever; interminably, unremittingly, relentlessly; informal 24 -7. ANTONYMS occasionally.
Oxford Thesaurus
constantly
constantly adverb the English language is constantly in flux: always, all the time, the entire time, continually, continuously, persistently, repeatedly, regularly; round the clock, without a break, night and day, day and night, {morning, noon, and night }; endlessly, non-stop, incessantly, unceasingly, ceaselessly, perpetually, eternally, perennially, forever; interminably, unremittingly, relentlessly, unrelentingly; Scottish aye; informal 24 -7; literary sempiternally. ANTONYMS occasionally, sometimes.
Sanseido Wisdom Dictionary
constantly
con stant ly /kɑ́nst (ə )ntli |kɔ́n -/→constant 副詞 more ~; most ~絶えず , いつも ; しょっちゅう (!しばしば進行形と共に; 時にいらだちを表す ) ▸ his constantly changing hairstyles 彼のころころ変わる髪型 ▸ This software is constantly updated .このソフトはしょっちゅうアップデートされる