Adverb
By hap, chance, luck, or accident; perhaps; it may be.
Source: Webster's dictionaryRash indeed is he who reckons on the morrow, or haply on days beyond it; for tomorrow is not, until today is past. Sophocles
I leave you but the sound of many a word In mocking echoes haply overheard, I sang to heaven. My exile made me free, from world to world, from all worlds carried me. George Santayana
Conceal me what I am, and be my aid for such disguise as haply shall become the form of my intent. William Shakespeare
Friends of my youth, a last adieu! haply some day we meet again; Yet ne'er the self-same men shall meet; the years shall make us other men. Richard Francis Burton
Now while we speak, the sun speeds forth: can I Or thou assure him of his goal? God's breath Even at this moment haply quickeneth The air to a flame; till spirits, always nigh Though screen'd and hid, shall walk the daylight here. Dante Gabriel Rossetti
betrayed by a word haply overheard Source: Internet